COMP Cams 12-602-4 Big Mutha Thumpr Cam, S/B Chevy, 2500-6400 RPM

#282126024

COMP Cams 12-602-4 Big Mutha Thumpr Cam, S/B Chevy, 2500-6400 RPM

Name: COMP Cams 12-602-4 Big Mutha Thumpr Cam, S/B Chevy, 2500-6400 RPM
Brand: COMP Cams
SKU: 282126024
Price: 309.95 USD
Availability: InStock
Rating: 5 (3 reviews)

3 Reviews

9 Questions

Specifically designed to give you every day drivability, but have that nasty race engine sound
Needs 9.5:1 compression, 2800+ stall, intake, gears and headers
Ideal for street/strip use and gives that distinct rough idle

Grind:

295THR7

279THF7 287THR7

$309.95

/each

In Stock

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Product Summary

Hydraulic Flat Tappet Camshaft Type

Specifically designed to give you every day drivability, but have that nasty race engine sound
Needs 9.5:1 compression, 2800+ stall, intake, gears and headers
Ideal for street/strip use and gives that distinct rough idle
Features a 295 intake duration and 313 exhaust duration
Has a total of 107 ° of lobe separation

See more details

Key Specs

Camshaft Type	Hydraulic Flat Tappet
RPM Range	2500-6400
Intake Duration (.050" Lift)	243
Exhaust Duration (.050" Lift)	257
Lobe Separation	107 °

See more specs

Need To Know

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855.313.9176

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COMP Cams 12-602-4 Details

Have you ever been to the races and heard how nasty the cams sound? COMP Cams has developed the Thumpr series of cams that give you every day drivability, but have that nasty race engine sound. Pick the cam that fits your application, add a set of COMP Cam hydraulic lifters and you will be the talk of the town.

Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

Charts

Thumpr Application Chart (GIF)

282-126024 Specs (PDF)

Guides & Documents

Camshafts Technical Information (282126024)

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 12-602-4 Specifications

KEY SPECS
MFG. Part #	12-602-4
Brand	COMP Cams
Camshaft Type	Hydraulic Flat Tappet
RPM Range	2500-6400
Intake Duration (.050" Lift)	243
Exhaust Duration (.050" Lift)	257
Lobe Separation	107 °

GENERAL
Intake Duration	295
Exhaust Duration	313
Sold in Quantity	Each
GTIN Code	036584175278

Ratings & Reviews

3 Reviews

Overall Assessment

Customers consistently praise the product for its superior sound quality and easy installation. The item proves its practicality with seamless compatibility, particularly gaining commendations in powerful trucks like the 1991 S10 Blazer. It is especially appreciated by users for increasing power and giving robust, pro street monster-like sound effects. Being described as a 'great purchase,' the product enjoys an array of repeat buyers. Customers' strong recommendations reflect the product's supremacy over competitor offerings.

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3 reviews

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Great Purchase

5.0

4 years ago

Mags17

North Carolina

Verified

Love the sound it creates.

Would Recommend

Would buy again potato potato potato potato potato

5.0

5 years ago

Race

Lincoln ne

Verified

Works great slid right in

Would Recommend

blazer

5.0

10 years ago

Jake the cake

Connersville IN

I have a 1991 s10 blazer with 4.10 gears headers and a 5.7 . Installed this cam got it all together and it sounds Great. Makes plenty of power and sounds like pro street monster. (I have NV3500 5 speed transmission behind it) GREAT CAM!

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

9 Questions • 9 Answers

Sort Questions

Will this cam work well in a 69 327? Looking for a set of big valve doubke humps to replace my small valve heads. Will add headers and appropriate converter. Any valve to head clearance issues etc? Will there be enough vacuum to run brakes with a storage can

by Eric

• 6 years ago

1 answer

View Answer

1990 chevy camaro. 350 with performer intake, hooker headers, 373 gears and a 2 speed powerglide. What lifters would be best and will this cam be beneficial

by Cameron

• 6 years ago

1 answer

View Answer

Can I use this cam on stock rods

by 2018 build

• 8 years ago

1 answer

View Answer

What pound valve spring would these need?

by Joe bob

• 8 years ago

1 answer

View Answer

I'm running a 671 blower on a 350 would this cam be beneficial or waste of time

by Zimm61

• 8 years ago

1 answer

View Answer

Will this fit on a stock 1998 305 vortec?

by beetlejuice

• 9 years ago

1 answer

View Answer

Will this work ok in a Chevrolet 327 with camel hump heads single plane aluminum intake 3 speed with .307 gears

by Wesley

• 10 years ago

1 answer

View Answer

I have this cam in a sbc 355 with an auto th350 trans do i have to get a bigger stall if not what will happen

by jets258

• 10 years ago

1 answer

View Answer

will this work with power brakes or do you have to run a vaccum pump ?

by trav

• 11 years ago

1 answer

View Answer

9 of 9 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