COMP Cams CL12-601-4 Thumpr Hydraulic Camshaft Kit, Chevy S/B

#282CL126014

COMP Cams CL12-601-4 Thumpr Hydraulic Camshaft Kit, Chevy S/B

Name: COMP Cams CL12-601-4 Thumpr Hydraulic Camshaft Kit, Chevy S/B
Brand: COMP Cams
SKU: 282CL126014
Price: 397.95 USD
Availability: InStock

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4 Questions

Duration:

287/305

279/297 295/313

Kit Type:

Base Kit

Deluxe Kit

$397.95

/each

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Product Summary

Hydraulic Flat Tappet Camshaft Type, Lifters Included

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Key Specs

Camshaft Type	Hydraulic Flat Tappet
Intake Duration (.050" Lift)	235
Exhaust Duration (.050" Lift)	249
RPM Range	2200 to 6100
Lobe Separation	107 °

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COMP Cams CL12-601-4 Details

COMP Cams Mutha' Thumpr 287TH7 Cam and Lifter Kit for Small Block Chevy.

Chevrolet 262-400 c.i. 8 cyl. 1958-1998. For '58-'98 262-400 cid Small Block Engines w/ Flat Tappet Cam - High Performance Street/Strip, Needs 9:1 Compression, 2500+ Stall, Intake, Gears & Headers, Rough Idle. Thumpr. SMALL BLOCK CHEVY Hydraulic CAM AND LIFTER KIT - Mutha' Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

Three unique cam designs for each application that deliver excellent horsepower gains & broad torque curve; perfect choice for muscle cars & street rods
Early intake valve opening & long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note
Best with aftermarket converters & more rear gear

Application

1958-98 Chevy 262-400

Guides & Documents

Warranty (COMP Cams)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

COMP Cams CL12-601-4 Specifications

KEY SPECS
MFG. Part #	CL12-601-4
Brand	COMP Cams
Camshaft Type	Hydraulic Flat Tappet
Intake Duration (.050" Lift)	235
Exhaust Duration (.050" Lift)	249
RPM Range	2200 to 6100
Lobe Separation	107 °
Lifter Type	Hydraulic Flat Tappet

GENERAL
Intake Valve Lift w/ Rocker Arm Ratio	0.489"
Exhaust Valve Lift w/ Rocker Arm Ratio	0.476"
Sold in Quantity	Kit
Intake Duration	287
Exhaust Duration	305
GTIN Code	036584181231
Grind Number	287TH7
External Ignition Box Required	No
Valve Springs Required	Yes
Valve Spring Included	No
Lifters Included	Yes
Retainers Included	No
Locks Included	No
Valve Stem Seals Included	No
Timing Chain and Gears Included	No
Assembly Lubricant Included	Yes
Pushrods Included	No
Rocker Arms Included	No
Gaskets Included	No

Ratings & Reviews

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Questions & Answers

4 Questions • 4 Answers

Sort Questions

What roller rockers are recommended 1.5 or 1.6?

by Jason Leonard

• 4 years ago

1 answer

View Answer

Will this cam work on a 1990 c1500 silverado 350 5.7 tbi if so what else needs to be changed thanks

by Bighamm

• 8 years ago

1 answer

View Answer

I'm thinking of using this in a 383 small block chevy with 8002 series Blueprint heads. Will this work with the stock springs ? Or would you recommend a different cam?

by Johnnybagodonuts

• 8 years ago

1 answer

View Answer

What is the required spring seat preesure for this csmshaft

by Clayton

• 9 years ago

1 answer

View Answer

4 of 4 questions shown

Fitment

1994 Buick Roadmaster

Gen 1 L05 Small Block Chevy

1990-1992 Cadillac Fleetwood

Gen 1 L05 Small Block Chevy

1973-1975 Chevy Bel Air

Gen 1 L48 Small Block Chevy

1972 Chevy Blazer

Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy

1973-1974 Chevy Blazer

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1987-1994 Chevy Blazer

Gen 1 L05 Small Block Chevy

1973-1982 Chevy C10

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1984 Chevy C10

Gen 1 L48 Small Block Chevy

1986 Chevy C10

Gen 1 L05 Small Block Chevy

1972-1982 Chevy C10 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1984 Chevy C10 Suburban

Gen 1 L48 Small Block Chevy

1986 Chevy C10 Suburban

Gen 1 L05 Small Block Chevy

1982-1987 Chevy C15

Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1988 Chevy C15

Gen 1 L05 Small Block Chevy

1988-1999 Chevy C1500

Gen 1 L05 Small Block Chevy

1992-1999 Chevy C1500 Suburban

Gen 1 L05 Small Block Chevy

1972-1982 Chevy C20

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1984 Chevy C20

Gen 1 L48 Small Block Chevy

1986-1987 Chevy C20

Gen 1 L05 Small Block Chevy

1972-1982 Chevy C20 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1984 Chevy C20 Suburban

Gen 1 L82 Small Block Chevy

1986 Chevy C20 Suburban

Gen 1 L05 Small Block Chevy

1988-1999 Chevy C2500

Gen 1 L05 Small Block Chevy

1992-1999 Chevy C2500 Suburban

Gen 1 L05 Small Block Chevy

1966 Chevy C30

Gen 1 L79 Small Block Chevy

1972-1982 Chevy C30

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1984 Chevy C30

Gen 1 L46 Small Block Chevy

1986 Chevy C30

Gen 1 L05 Small Block Chevy

1983-1987 Chevy C35

Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1988-1999 Chevy C35

Gen 1 L05 Small Block Chevy

1988-1999 Chevy C3500

Gen 1 L05 Small Block Chevy

1973-1982 Chevy Camaro

Gen 1 L48 Small Block Chevy

1987-1992 Chevy Camaro

Gen 1 L98 Small Block Chevy

1973-1982 Chevy Caprice

Gen 1 L48 Small Block Chevy

1984 Chevy Caprice

Gen 1 L48 Small Block Chevy

1986-1993 Chevy Caprice

Gen 1 L05 Small Block Chevy

1964-1968 Chevy Chevelle

Gen 1 L79 Small Block Chevy

1973 Chevy Chevelle

Gen 1 L48 Small Block Chevy

1965-1968 Chevy Chevy II

Gen 1 L79 Small Block Chevy

1964-1968 Chevy Corvette

Gen 1 L79 Small Block Chevy

1973-1974 Chevy Corvette

Gen 1 L48 Small Block Chevy

1980 Chevy Corvette

Gen 1 L48 Small Block Chevy

1984 Chevy Corvette

Gen 1 L83 Small Block Chevy

1986-1991 Chevy Corvette

Gen 1 L98 Small Block Chevy

1964-1969 Chevy El Camino

Gen 1 L79 Small Block Chevy

1973-1977 Chevy El Camino

Gen 1 L48 Small Block Chevy

1984 Chevy El Camino

Gen 1 L81 Small Block Chevy

1996-1999 Chevy Express 1500

Gen 1 L05 Small Block Chevy

1996 Chevy Express 2500

Gen 1 L05 Small Block Chevy

1998-1999 Chevy Express 2500

Gen 1 L05 Small Block Chevy

1996-1999 Chevy Express 3500

Gen 1 L05 Small Block Chevy

1975-1982 Chevy G10

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1984 Chevy G10

Gen 1 L82 Small Block Chevy

1986-1993 Chevy G10

Gen 1 L05 Small Block Chevy

1972-1974 Chevy G10 Van

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1975-1982 Chevy G20

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L82 Small Block Chevy

1986-1995 Chevy G20

Gen 1 L05 Small Block Chevy

1972 Chevy G20 Van

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1973-1974 Chevy G20 Van

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L82 Small Block Chevy

1975-1982 Chevy G30

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy

1986-1996 Chevy G30

Gen 1 L05 Small Block Chevy

1972-1974 Chevy G30 Van

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy

1973-1982 Chevy Impala

Gen 1 L48 Small Block Chevy

1972-1982 Chevy K10

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1986 Chevy K10

Gen 1 L05 Small Block Chevy

1972-1982 Chevy K10 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1986 Chevy K10 Suburban

Gen 1 L05 Small Block Chevy

1988-1999 Chevy K1500

Gen 1 L05 Small Block Chevy

1992-1999 Chevy K1500 Suburban

Gen 1 L05 Small Block Chevy

1972-1982 Chevy K20

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1986 Chevy K20

Gen 1 L05 Small Block Chevy

1972-1982 Chevy K20 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1986 Chevy K20 Suburban

Gen 1 L05 Small Block Chevy

1988-1999 Chevy K2500

Gen 1 L05 Small Block Chevy

1992-1999 Chevy K2500 Suburban

Gen 1 L05 Small Block Chevy

1972-1974 Chevy K30

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1977-1982 Chevy K30

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1986 Chevy K30

Gen 1 L05 Small Block Chevy

1988-1999 Chevy K3500

Gen 1 L05 Small Block Chevy

1975-1982 Chevy K5 Blazer

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1984 Chevy K5 Blazer

Gen 1 L48 Small Block Chevy

1986 Chevy K5 Blazer

Gen 1 L05 Small Block Chevy

1973-1975 Chevy Laguna

Gen 1 L48 Small Block Chevy

1964-1967 Chevy Malibu

Gen 1 L79 Small Block Chevy

1973-1982 Chevy Malibu

Gen 1 L48 Small Block Chevy

1976-1977 Chevy Monte Carlo

Gen 1 L48 Small Block Chevy

1975 Chevy Monza

Gen 1 L48 Small Block Chevy

1973-1974 Chevy Nova

Gen 1 L48 Small Block Chevy

1976-1979 Chevy Nova

Gen 1 L48 Small Block Chevy

1975-1979 Chevy P30

Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy

1986-1999 Chevy P30

Gen 1 L05 Small Block Chevy

1972 Chevy P30 Van

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy

1973-1974 Chevy P30 Van

Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy

1987 Chevy R10

Gen 1 L05 Small Block Chevy

1987-1988 Chevy R10 Suburban

Gen 1 L05 Small Block Chevy

1989-1991 Chevy R1500 Suburban

Gen 1 L05 Small Block Chevy

1987-1988 Chevy R20

Gen 1 L05 Small Block Chevy

1987-1988 Chevy R20 Suburban

Gen 1 L05 Small Block Chevy

1995-1999 Chevy R25

Gen 1 L05 Small Block Chevy

1989 Chevy R2500

Gen 1 L05 Small Block Chevy

1989-1991 Chevy R2500 Suburban

Gen 1 L05 Small Block Chevy

1987-1988 Chevy R30

Gen 1 L05 Small Block Chevy

1989-1991 Chevy R3500

Gen 1 L05 Small Block Chevy

1995-1999 Chevy Silverado

Gen 1 L05 Small Block Chevy

1987-1994 Chevy Suburban

Gen 1 L05 Small Block Chevy

1995-1999 Chevy Suburban 1500

Gen 1 L05 Small Block Chevy

1995-1999 Chevy Tahoe

Gen 1 L05 Small Block Chevy

1987 Chevy V10

Gen 1 L05 Small Block Chevy

1987-1988 Chevy V10 Suburban

Gen 1 L05 Small Block Chevy

1989-1991 Chevy V1500 Suburban

Gen 1 L05 Small Block Chevy

1987 Chevy V20

Gen 1 L05 Small Block Chevy

1987-1988 Chevy V20 Suburban

Gen 1 L05 Small Block Chevy

1989-1991 Chevy V2500 Suburban

Gen 1 L05 Small Block Chevy

1987-1988 Chevy V30

Gen 1 L05 Small Block Chevy

1989-1991 Chevy V3500

Gen 1 L05 Small Block Chevy

1967-1972 GMC C25/C2500 Pickup

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1967-1972 GMC C25/C2500 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1967-1974 GMC C35/C3500 Pickup

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1987-1995 GMC G1500

Gen 1 L05 Small Block Chevy

1987-1995 GMC G2500

Gen 1 L05 Small Block Chevy

1987-1994 GMC G3500

Gen 1 L05 Small Block Chevy

1995-1996 GMC G3500

Gen 1 L05 Small Block Chevy
Gen 1 L98 Small Block Chevy

1986 GMC Jimmy

Gen 1 L05 Small Block Chevy

1987 GMC Jimmy

Gen 1 L05 Small Block Chevy
Gen 1 L98 Small Block Chevy

1988-1990 GMC Jimmy

Gen 1 L05 Small Block Chevy

1975-1978 GMC K15

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1975-1978 GMC K15 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1967-1974 GMC K15/K1500 Pickup

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1967-1974 GMC K15/K1500 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1979-1980 GMC K1500 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1981-1986 GMC K1500 Suburban

Gen 1 L05 Small Block Chevy
Gen 1 L98 Small Block Chevy

1975-1978 GMC K25

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1975-1978 GMC K25 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1967-1974 GMC K25/K2500 Pickup

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1967-1974 GMC K25/K2500 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1986 GMC K2500

Gen 1 L05 Small Block Chevy

1979-1986 GMC K2500 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1992-1993 GMC K2500 Suburban

Gen 1 L05 Small Block Chevy

1994-1999 GMC K2500 Suburban

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1967-1974 GMC K35/K3500 Pickup

Gen 1 L46 Small Block Chevy
Gen 1 L48 Small Block Chevy
Gen 1 L65 Small Block Chevy
Gen 1 L81 Small Block Chevy
Gen 1 L82 Small Block Chevy

1988-1991 GMC R1500 Suburban

Gen 1 L98 Small Block Chevy

1967 GMC Suburban

Gen 1 L46 Small Block Chevy

1987-1991 GMC V1500 Suburban

350 Chevy Small Block V8
Gen 1 L05 Small Block Chevy
Gen 1 L98 Small Block Chevy

1987 GMC V2500

350 Chevy Small Block V8
Gen 1 L05 Small Block Chevy
Gen 1 L98 Small Block Chevy

1987-1991 GMC V2500 Suburban

350 Chevy Small Block V8
Gen 1 L05 Small Block Chevy
Gen 1 L98 Small Block Chevy

1987-1991 GMC V3500

350 Chevy Small Block V8