COMP Cams 12-600-8 Thumpr Hyd. Roller Camshaft, Chevy S/B

#282126008

COMP Cams 12-600-8 Thumpr Hyd. Roller Camshaft, Chevy S/B

Name: COMP Cams 12-600-8 Thumpr Hyd. Roller Camshaft, Chevy S/B
Brand: COMP Cams
SKU: 282126008
Price: 549.95 USD
Availability: InStock

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2 Questions

Duration:

283/303

299/319

$549.95

/each

Factory Shipped

Garage Sale alternatives: from $501.99

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Product Summary

Hydraulic Roller Tappet Camshaft Type

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Key Specs

Camshaft Type	Hydraulic Roller Tappet
RPM Range	1900-5600
Intake Duration (.050" Lift)	227
Exhaust Duration (.050" Lift)	241
Lobe Separation	107 °

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COMP Cams 12-600-8 Details

COMP Cams Thumpr 283THR-7 Hydraulic Roller Camshaft for Small Block Chevy.

Chevrolet 262-400 c.i. 8 cyl. 1958-1998. High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

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 12-600-8 Specifications

KEY SPECS
MFG. Part #	12-600-8
Brand	COMP Cams
Camshaft Type	Hydraulic Roller Tappet
RPM Range	1900-5600
Intake Duration (.050" Lift)	227
Exhaust Duration (.050" Lift)	241
Lobe Separation	107 °

GENERAL
Intake Valve Lift w/ Rocker Arm Ratio	0.513"
Exhaust Valve Lift w/ Rocker Arm Ratio	0.498"
Intake Duration	283
Exhaust Duration	303
Sold in Quantity	Each
Grind Number	283THR7
GTIN Code	036584148388
External Ignition Box Required	No
Valve Springs Required	Yes

Ratings & Reviews

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Questions & Answers

2 Questions • 2 Answers

Sort Questions

What valve springs do you recommend for this camshaft? I will be using the cast iron phase 2 Bowtie heads.

by NastyZ28

• a year ago

1 answer

View Answer

If your block is already a roller lifter will this cam work in it with no modifications

by Greg

• 4 years ago

1 answer

View Answer

2 of 2 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