Frontpage > Product > Comp Cams Cl12-600-8 Thumpr 227/241 Hydraulic Roller Cam And Lifter Kit For Chevrolet Small Block

COMP Cams CL12-600-8 Thumpr 227/241 Hydraulic Roller Cam and Lifter Kit for Chevrolet Small Block

Asin: B001GENSZI   |   Model: CL12-600-8   |   PartNumber: CL12-600-8   |   Ean: 0036584153399   |   UPC: 036584153399


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227/241 Duration At .050". 107 Degree Lobe Separation Angle. 0.511"/0.497" Valve Lift.
Fits Chevrolet Gen 1 Small Blocks Including The 262, 265, 267, 283, 302, 305, 307, 327, 350 And 400. Does Not Fit Lt1/Lt4, Or Factory Roller Small Blocks Built From 1985 And Newer..
Made In Usa.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note. Best With Aftermarket Converters And More Rear Gear..
Perfect Choice For Muscle Cars And Street Rods - Three Unique Cam Designs: Thumpr, Mutha' Thumpr And Big Mutha' Thumpr Deliver Excellent Horsepower Gains And Broad Torque Curve..
Cl Kits Include A Camshaft, A Set Of Lifters And Instructions..
1,900-5,600 Rpm Operating Range.

Features

  • High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
  • 1,900-5,600 RPM Operating Range
  • 227/241 Duration at .050. 107 Degree Lobe Separation Angle. 0.511/0.497 Valve Lift
  • CL Kits include a camshaft, a set of lifters and instructions.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer.
  • Made in USA
  • See more on Amazon...

First Available: 11/29/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.00 x 26.00 x 6.00 inches   |   Weight: 14.00 pounds

Amazon Price: $1,126.74 | as of 06/08/2024 (11:03pm pst) *DETAILS
Availability: Usually ships within 6 to 7 days

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Similar To COMP Cams CL126008 Thumpr 227

  #1

Comp Cams 08-600-8 Thumpr 227/241 Hydraulic Roller Cam for OE Roller SBC, camshaft only

Asin: B002EDWPOA   |   Model: 08-600-8   |   PartNumber: 08-600-8   |   Ean: 0036584171973   |   UPC: 036584171973

Great Performance.
Enhance Your Vehicle.
Backed By Manufacturer's Warranty.

Features

  • Competition Cams a trusted industry leader
  • Backed by manufacturer's Warranty
  • Great Performance
  • Enhance your vehicle
  • See more on Amazon...

First Available: 11/26/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.00 x 25.00 x 3.00 inches   |   Weight: 8.80 pounds

Amazon Price: $522.95 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #2

COMP Cams (926-12) 1.476" O.D. Single Valve Spring, (Set of 12)

Asin: B00062YH24   |   Model: 926-12   |   PartNumber: 926-12   |   Ean: 0036584270393   |   UPC: 036584270393

Item Package Weight:3.3 Pounds.
Fit Type: Vehicle Specific.
Product Type:Auto Part.

Features

  • Package Dimensions :34.29 Cm L X 9.398 Cm W X 7.366 Cm H
  • Product Type:Auto Part
  • Item Package Weight:3.3 Pounds
  • Fit Type: Vehicle Specific
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First Available: 09/07/2012

Brand: Comp Cams   |   Manufacturer: Comp Cams

Dimensions: 3.00 x 14.00 x 4.00 inches   |   Weight: 3.13 pounds

Amazon Price: $100.94 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #3

Comp Cams 9241 valve spring

Asin: B00062Z9KS   |   Model: 924-1   |   PartNumber: 924-1   |   Ean: 0036584271833   |   UPC: 036584271833

Modern Performance + Vintage Iron - Comp's Performance Street Springs Are Available In Installed Heights From 1.470" To 1.900" And . O.D.'S From 1.105" To 1.509", Making Them Ideal For A Wide Range Of Modern Heads And Oe Iron Heads. Just Match Your Spring Pocket Measurements To The Appropriate Spring Base Od, Then Check The Spring Max Lift Against Your Valve Lift To Ensure A Good Spring For Your Heads..
The 924 Spring Is Compatible With 741 Chromemoly Steel Retainer, 1732 Tool Steel Retainer Plus The 732 And 721 Titanium Retainers..
Made In Usa.
Ford V8 - The 924 Fits Ford 351C/M-400M, 352-428 Fe As Well As The 429-460. With A Taller Installed Height, The 924 Spring Offers Increased Valve Lift Capacity And More Pressure Than Factory: Perfect For Cam Swaps And Full Rebuilds..
Chevrolet 396-454 Big Blocks - In Addition To The Chrysler B/Rb And Ford V8's, The 924 Fits Well Into Most Chevrolet Big Block Builds With Taller Installed Heights. Capable Of Handling Mild To Moderate Performance Hydraulic Flat And Roller Camshafts, The 924 Is A Go-To For Street-Oriented Big Block Chevy Builds..
Chrysler 383-440 - Thanks To Its Longer Valves, The Chrysler 383-440 V8 Uses A Taller Installed Height Than Other Vintage Muscle. The 924 Fits This Requirement Nicely, Needing Only Minimal Machining To The Head Surface For Installation. Capable Of Handling Mild-Moderate Performance Profiles Like The Magnum Or Xtreme Energy Camshaft Lines, The 924 Is A Solid Choice For Rebuilds And Performance Street Engines Alike..
Modern Spring Design - Performance Street Springs Deliver Extra Valvetrain Stability, Ensuring Additional Durability And Performance In Street Engines..

Features

  • Street Ready - The COMP Cams Performance Street spring line is designed to accommodate performance hydraulic flat tappet camshafts.
  • Modern Spring Design - Performance Street Springs deliver extra valvetrain stability, ensuring additional durability and performance in street engines.
  • Modern Performance + Vintage Iron - COMP's Performance Street Springs are available in installed heights from 1.470 to 1.900 and . O.D.'s from 1.105 to 1.509, making them ideal for a wide range of modern heads and OE iron heads. Just match your spring pocket measurements to the appropriate spring base OD, then check the spring max lift against your valve lift to ensure a good spring for your heads.
  • Chrysler 383-440 - Thanks to its longer valves, the Chrysler 383-440 V8 uses a taller installed height than other vintage muscle. The 924 fits this requirement nicely, needing only minimal machining to the head surface for installation. Capable of handling mild-moderate performance profiles like the Magnum or Xtreme Energy camshaft lines, the 924 is a solid choice for rebuilds and performance street engines alike.
  • Ford V8 - The 924 fits Ford 351C/M-400M, 352-428 FE as well as the 429-460. With a taller installed height, the 924 spring offers increased valve lift capacity and more pressure than factory: perfect for cam swaps and full rebuilds.
  • Chevrolet 396-454 Big Blocks - In addition to the Chrysler B/RB and Ford V8's, the 924 fits well into most Chevrolet Big Block builds with taller installed heights. Capable of handling mild to moderate performance hydraulic flat and roller camshafts, the 924 is a go-to for street-oriented Big Block Chevy builds.
  • The 924 spring is compatible with 741 Chromemoly Steel Retainer, 1732 Tool Steel Retainer plus the 732 and 721 Titanium Retainers.
  • Made in USA
  • See more on Amazon...

First Available: 09/07/2012

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 1.20 x 6.00 x 4.00 inches   |   Weight: 0.30 pounds

Amazon Price: $18.09 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #4

COMP Cams CL12-601-4 Mutha' Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block

Asin: B002EE2ZDK   |   Model: CL12-601-4   |   PartNumber: CL12-601-4   |   Ean: 0036584181231   |   UPC: 036584181231

235/249 Duration At .050". 107 Degree Lobe Separation Angle. 0.489"/0.476" Valve Lift.
Fits Chevrolet Gen 1 Small Blocks Including The 262, 265, 267, 283, 302, 305, 307, 327, 350 And 400. Does Not Fit Lt1/Lt4, Or Factory Roller Small Blocks Built From 1985 And Newer..
Made In Usa.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note. Best With Aftermarket Converters And More Rear Gear..
Perfect Choice For Muscle Cars And Street Rods - Three Unique Cam Designs: Thumpr, Mutha' Thumpr And Big Mutha' Thumpr Deliver Excellent Horsepower Gains And Broad Torque Curve..
Cl Kits Include A Camshaft, A Set Of Lifters, Instructions And Assembly Lubricant..
2,200-6,100 Rpm Operating Range.

Features

  • High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
  • 2,200-6,100 RPM Operating Range
  • 235/249 Duration at .050. 107 Degree Lobe Separation Angle. 0.489/0.476 Valve Lift
  • CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer.
  • Made in USA
  • See more on Amazon...

First Available: 09/22/2012

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.00 x 25.40 x 5.50 inches   |   Weight: 13.05 pounds

Warranty: 1 Year Limited

Amazon Price: $371.95 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #5

COMP Cams 11-600-8 Thumpr 227/241 Hydraulic Roller Cam for Chevrolet Big Block 396-454

Asin: B0014F1I2O   |   Model: 11-600-8   |   PartNumber: 11-600-8   |   Ean: 0036584150893   |   UPC: 036584150893

Great Performance.
Designed With Lobe Profiles And Grind Characteristics.
Backed By Manufacturer's Warranty.

Features

  • Competition Cams A Trusted Industry Leader
  • Backed By Manufacturer's Warranty
  • Great Performance
  • Designed with lobe profiles and grind characteristics
  • See more on Amazon...

First Available: 11/26/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 2.67 x 23.22 x 2.91 inches   |   Weight: 10.95 pounds

Amazon Price: $522.95 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #6

COMP Cams CL12-232-3 Xtreme Marine 212/218 Hydraulic Flat Cam and Lifter Kit Chevrolet Small Block

Asin: B001GERHVY   |   Model: CL12-232-3   |   PartNumber: CL12-232-3   |   Ean: 0036584041399   |   UPC: 036584041399

212/218 Duration At .050". 112 Degree Lobe Separation Angle. 0.447"/0.462" Valve Lift.
Fits Chevrolet Gen 1 Small Blocks Including The 262, 265, 267, 283, 302, 305, 307, 327, 350 And 400. Does Not Fit Lt1/Lt4, Or Factory Roller Small Blocks Built From 1985 And Newer..
Made In Usa.
Works Against Restrictive Exhaust Systems, While The Extremely Wide Powerband Helps Get Boats On Plane And Make Maximum Horsepower..
Intended For Applications Where Low Idle Speeds Are Required, While Enhanced Power Production Helps Maintain Top-End Speed For Longer Distances..
Cl Kits Include A Camshaft, A Set Of Lifters, Instructions And Assembly Lubricant..
1,000-5,000 Rpm Operating Range.

Features

  • Good for inboard/outboard pleasure boat, skiing and good economy.
  • 1,000-5,000 RPM Operating Range
  • 212/218 Duration at .050. 112 Degree Lobe Separation Angle. 0.447/0.462 Valve Lift
  • CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
  • Works against restrictive exhaust systems, while the extremely wide powerband helps get boats on plane and make maximum horsepower.
  • Intended for applications where low idle speeds are required, while enhanced power production helps maintain top-end speed for longer distances.
  • Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer.
  • Made in USA
  • See more on Amazon...

First Available: 11/26/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.00 x 26.00 x 5.50 inches   |   Weight: 13.00 pounds

Amazon Price: $298.01 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #7

COMP Cams 744-12 7 Degree Steel Retainer Set of 12 for 3/8" Valve w/ 1.437"-1.500" Spring

Asin: B000N5MWCG   |   Model: 744-12   |   PartNumber: 744-12   |   Ean: 0036584200208   |   UPC: 036584200208

Manufactured In United States.
Package Dimensions : 9.5" L X 5.75" W X 1.5" H.
Comp Cams Steel Retainers Are The Perfect Solution To This Problem.

Features

  • Valve Springs With Larger Diameters Require Retainers To Handle The Higher Pressures Developed By The Springs
  • Comp Cams Steel Retainers Are The Perfect Solution To This Problem
  • Manufactured in United States
  • Package Dimensions : 9.5 L x 5.75 W x 1.5 H
  • See more on Amazon...

First Available: 11/28/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 2.00 x 10.00 x 6.00 inches   |   Weight: 0.88 Pounds

Amazon Price: $76.06 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #8

Comp Cams CL12-600-4 Thumpr Cam and Lifter Kit - CS 279T H-107

Asin: B0046ZG49G   |   Model: C56CL126004   |   PartNumber: C56CL126004   |   Ean: 0036584181224   |   UPC: 036584181224

Brand: Comp Cams   |   Manufacturer: COMPETITION CAMS

Dimensions: 3.00 x 26.00 x 5.50 inches   |   Weight: 12.20 pounds

Amazon Price: $384.77 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #9

COMP Cams 98012 Vavle Spring

Asin: B00062YHH4   |   Model: 980-12   |   PartNumber: 980-12   |   Ean: 0036584271246   |   UPC: 036584271246

.490 Inch Maximum Lift.
Part Number: 980-12.
92 Pounds 1.700 Inches Seat Load And 230 Pounds 1.250 Inches Open Load Capacity.

Features

  • 1.230 inches outside diameter, .876 inches inside diameter single valve spring
  • 92 pounds 1.700 inches seat load and 230 pounds 1.250 inches open load capacity
  • .490 inch maximum lift
  • Part number: 980-12
  • See more on Amazon...

First Available: 09/07/2012

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 2.00 x 10.00 x 3.00 Inches   |   Weight: 2.30 pounds

Amazon Price: $69.94 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #10

COMP Cams 983-16 Single Ovate Wire Valve Spring

Asin: B00062ZA20   |   Model: 983-16   |   PartNumber: 983-16   |   Ean: 0036584037828   |   UPC: 036584037828

Single Ovate Wire Valve Springs.
Approximately .490 Inch Max Lift At Recommended Installed Height.
O.D.: 1.260 Inch, I.D.: .836 Inch.

Features

  • Seat pressure: 105 lbs. @ 1.700 inch, Open Pressure: 310 lbs. @ 1.200 inch
  • O.D.: 1.260 inch, I.D.: .836 inch
  • Single ovate wire valve springs
  • Approximately .490 inch max lift at recommended installed height
  • See more on Amazon...

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 2.10 x 10.30 x 2.90 inches   |   Weight: 2.90 pounds

Amazon Price: $90.63 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #11

Comp Cams 503-12 Set of 12 PTFE Valve Seals for .530"" Guide Size, 11/32"" Valve Stem"

Asin: B000P599XY   |   Model: 503-12   |   PartNumber: 503-12   |   Ean: 0036584140153   |   UPC: 036584140153

1 Year Limited Warranty.

Features

First Available: 11/29/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 0.50 x 4.60 x 3.00 inches   |   Weight: 0.03 Pounds

Amazon Price: $38.33 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #12

COMP Cams CL11-601-4 Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454

Asin: B002EDZL4G   |   Model: CL11-601-4   |   PartNumber: CL11-601-4   |   Ean: 0036584181262   |   UPC: 036584181262

235/249 Duration At .050". 107 Degree Lobe Separation Angle. 0.510"/0.495" Valve Lift.
Fits Chevrolet 396-454 Mark Iv Big Block.
Made In Usa.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note. Best With Aftermarket Converters And More Rear Gear..
Perfect Choice For Muscle Cars And Street Rods - Three Unique Cam Designs: Thumpr, Mutha' Thumpr And Big Mutha' Thumpr Deliver Excellent Horsepower Gains And Broad Torque Curve..
Cl Kits Include A Camshaft, A Set Of Lifters, Instructions And Assembly Lubricant..
2,000-5,900 Rpm Operating Range.

Features

  • High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
  • 2,000-5,900 RPM Operating Range
  • 235/249 Duration at .050. 107 Degree Lobe Separation Angle. 0.510/0.495 Valve Lift
  • CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits Chevrolet 396-454 Mark IV Big Block
  • Made in USA
  • See more on Amazon...

First Available: 09/22/2012

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.75 x 26.00 x 6.00 inches   |   Weight: 14.00 Pounds

Warranty: 1 Year Limited

Amazon Price: $401.73 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #13

COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454

Asin: B001GETD8O   |   Model: K11-600-8   |   PartNumber: K11-600-8   |   Ean: 0036584153498   |   UPC: 036584153498

227/241 Duration At .050". 107 Degree Lobe Separation Angle. 0.547"/0.53" Valve Lift.
Fits Chevrolet 396-454 Mark Iv Big Block.
Made In Usa.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note. Best With Aftermarket Converters And More Rear Gear..
Perfect Choice For Muscle Cars And Street Rods - Three Unique Cam Designs: Thumpr, Mutha' Thumpr And Big Mutha' Thumpr Deliver Excellent Horsepower Gains And Broad Torque Curve..
K Kits Vary In Their Contents, But Generally Contain A Camshaft, A Set Of Lifters, Valve Springs, Retainers, Locks, Valve Seals, Timing Set, Decals And Instructions. Check Description For More Accurate Listing Of Kit Contents..
1,900-5,500 Rpm Operating Range.

Features

  • High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.
  • 1,900-5,500 RPM Operating Range
  • 227/241 Duration at .050. 107 Degree Lobe Separation Angle. 0.547/0.53 Valve Lift
  • K Kits vary in their contents, but generally contain a camshaft, a set of lifters, valve springs, retainers, locks, valve seals, timing set, decals and instructions. Check description for more accurate listing of kit contents.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits Chevrolet 396-454 Mark IV Big Block
  • Made in USA
  • See more on Amazon...

First Available: 11/26/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 5.00 x 26.00 x 10.50 Inches   |   Weight: 31.48 pounds

Amazon Price: $1,471.95 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #14

COMP Cams 35-600-4 Thumpr 227/241 Hydraulic Flat Cam for Ford 351W

Asin: B002EE27SS   |   Model: 35-600-4   |   PartNumber: 35-600-4   |   Ean: 0036584176381   |   UPC: 036584176381

227/241 Duration At .050". 107 Degree Lobe Separation Angle.
Fits Ford 351 Windsor.
Made In Usa.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note. Best With Aftermarket Converters And More Rear Gear..
Perfect Choice For Muscle Cars And Street Rods - Three Unique Cam Designs: Thumpr, Mutha' Thumpr And Big Mutha' Thumpr Deliver Excellent Horsepower Gains And Broad Torque Curve..
0.490/0.475 Valve Lift.
2,000-5,800 Rpm Operating Range.

Features

  • High performance street, stock converter ok, best with 2000+converter and gears. Choppy/thumping idle.
  • 2,000-5,800 RPM Operating Range
  • 227/241 Duration at .050. 107 Degree Lobe Separation Angle
  • 0.490/0.475 Valve Lift
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits Ford 351 Windsor
  • Made in USA
  • See more on Amazon...

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 0.00 x 0.00 x 0.00 Inches   |   Weight: 9.50 Pounds

Warranty: Limited 1 Year

Amazon Price: $313.43 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #15

COMP Cams (903-12) 1.400" O.D. Single Valve Spring, (Set of 12)

Asin: B00062YGW0   |   Model: 903-12   |   PartNumber: 903-12   |   Ean: 0036584270096   |   UPC: 036584270096

.515 Inch Maximum Lift.
Part Number: 903-12.
80 Pounds 1.700 Inches Seat Load And 212 Pounds 1.250 Inches Open Load Capacity.

Features

  • 1.400 inches outside diameter, 1.015 inches inside diameter single valve spring
  • 80 pounds 1.700 inches seat load and 212 pounds 1.250 inches open load capacity
  • .515 inch maximum lift
  • Part number: 903-12
  • See more on Amazon...

First Available: 08/31/2012

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.00 x 10.00 x 3.00 inches   |   Weight: 2.56 Pounds

Warranty: 1 Year Limited

Amazon Price: $86.13 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #16

COMP Cams 988-16 Dual Valve Spring

Asin: B000CEO7QC   |   Model: 988-16   |   PartNumber: 988-16   |   Ean: 0036584271413   |   UPC: 036584271413

Dual Valve Springs Without Damper.
Approximately .540 Inch Max Lift At Recommended Installed Height.
O.D.: 1.384 Inch, I.D.: 0.804 Inch.

Features

  • Seat pressure: 117 lbs. @ 1.600 inch, Open Pressure: 232 lbs. @ 1.100 inch
  • O.D.: 1.384 inch, I.D.: 0.804 inch
  • Dual valve springs without damper
  • Approximately .540 inch max lift at recommended installed height
  • See more on Amazon...

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 2.80 x 13.50 x 3.70 Inches   |   Weight: 3.26 Pounds

Amazon Price: $119.95 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #17

Comp Cams CL20-600-4 Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Chrysler 273-360

Asin: B002EDZE3Y   |   Model: CL20-600-4   |   PartNumber: CL20-600-4   |   Ean: 0036584181316   |   UPC: 036584181316

227/241 Duration At .050". 107 Degree Lobe Separation Angle. 0.486"/0.473" Valve Lift.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note. Best With Aftermarket Converters And More Rear Gear..
Fit Type: Vehicle Specific.
Cl Kits Include A Camshaft, A Set Of Lifters, Instructions And Assembly Lubricant..
2,000-5,800 Rpm Operating Range.

Features

  • High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
  • 2,000-5,800 RPM Operating Range
  • 227/241 Duration at .050. 107 Degree Lobe Separation Angle. 0.486/0.473 Valve Lift
  • CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Fit type: Vehicle Specific
  • See more on Amazon...

First Available: 11/26/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.00 x 26.00 x 5.50 Inches   |   Weight: 14.05 pounds

Amazon Price: $396.95 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #18

COMP Cams CL32-600-5 Thumpr 226/241 Hydraulic Flat Cam and Lifter Kit for Ford 351C, 351M-400M

Asin: B005H89S0S   |   Model: CL32-600-5   |   PartNumber: CL32-600-5   |   Ean: 0036584214687   |   UPC: 036584214687

226/241 Duration At .050". 107 Degree Lobe Separation Angle. 0.506"/0.493" Valve Lift.
Fits 351 Cleveland, 351 Modified, Boss 351 And 400 Modified.
Made In Usa.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note. Best With Aftermarket Converters And More Rear Gear..
Perfect Choice For Muscle Cars And Street Rods - Three Unique Cam Designs: Thumpr, Mutha' Thumpr And Big Mutha' Thumpr Deliver Excellent Horsepower Gains And Broad Torque Curve..
Cl Kits Include A Camshaft, A Set Of Lifters, Instructions And Assembly Lubricant..
2,000-5,800 Rpm Operating Range.

Features

  • High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
  • 2,000-5,800 RPM Operating Range
  • 226/241 Duration at .050. 107 Degree Lobe Separation Angle. 0.506/0.493 Valve Lift
  • CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
  • Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
  • Fits 351 Cleveland, 351 Modified, Boss 351 and 400 Modified
  • Made in USA
  • See more on Amazon...

First Available: 11/26/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 3.00 x 26.00 x 5.50 Inches   |   Weight: 13.30 pounds

Amazon Price: $425.52 | as of 06/08/2024 (11:03pm pst) *DETAILS

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  #19

Comp Cams 54-601-11 Mutha' Thumpr 227/241 Hydraulic Roller Cam for GM LS GEN III/IV

Asin: B001P20WZK   |   Model: 54-601-11   |   PartNumber: 54-601-11   |   Ean: 0036584195177   |   UPC: 036584195177

227/241 Duration At .050". 109 Degree Lobe Separation Angle.
Early Intake Valve Opening And Long Exhaust Duration Create Optimum Overlap For Powerful, Hard-Hitting Exhaust Note..
Fit Type: Vehicle Specific.
.563"/.546" Valve Lift.
2,300-6,600 Rpm Operating Range.

Features

  • High performance street/ strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
  • 2,300-6,600 RPM Operating Range
  • 227/241 Duration at .050. 109 Degree Lobe Separation Angle
  • .563/.546 Valve Lift
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Fit type: Vehicle Specific
  • See more on Amazon...

First Available: 11/26/2016

Brand: Comp Cams   |   Manufacturer: COMP Cams

Dimensions: 2.76 x 2.36 x 1.97 inches   |   Weight: 9.85 pounds

Warranty: 1 Year Limited

Amazon Price: $515.95 | as of 06/08/2024 (11:03pm pst) *DETAILS

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