COMP Cams 12-600-4 Thumpr (TM) Camshaft
Available In Both Hydraulic Flat Tappet And Hydraulic Roller Designs For Most Popular Applications Carb And Late Model EFI Three Unique Grinds For Each Engine To Fit All Cruising And Street Performance Needs Long Exhaust Duration And Other Grind Characteristics Produce A Powerful Hard Hitting Exhaust Note Designed For Use With The Latest In Valve Train Component Advancements Such As Beehive™ Valve Springs Pro Magnum™ Roller Rockers And Magnum Pushrods Limited 1 Year Warranty
Specifications
Engine Compatibility - Chevy Small Block 4.3L-6.6L/262-400 Cubic Inch
Recommended Use - Mild Street Performance To Mild Race
Type - Hydraulic Flat Tappet
RPM - High - 5800
RPM - Low - 2000
Intake Duration At 0.050 Inch Lift (DEG) - 227 Degree
Exhaust Duration At 0.050 Inch Lift (DEG) - 241 Degree
Advertised Intake Duration (DEG) - 279 Degree
Advertised Exhaust Duration (DEG) - 297 Degree
Intake Valve Lift (IN) - 0.479 Inch
Exhaust Valve Lift (IN) - 0.465 Inch
Lobe Separation Angle (DEG) - 107 Degree
Intake Centerline Angle (DEG) - 102 Degree
Computer-Controlled Compatible - No
Grind Number - 279TH7
The Thumpr™ Camshafts are a series of hydraulic flat tappet and hydraulic roller Camshafts that are now available for most popular applications carb and late model EFI. The reason that the new Thumpr™ Camshafts have such an aggressive exhaust note is that the lobe profiles and grind characteristics chosen by the COMP Cams(R) engineers produce a combination of early exhaust Valve opening long exhaust duration and a generous amount of intake and exhaust overlap to maximize the rough idling characteristics of the cams without negatively impacting the power output or streetability. Thumpr™ cams deliver incredible muscle car sound and a new level of streetable performance.
This Fits
Year | Make | Model |
---|---|---|
1959-1959 | Chevrolet | 3100 |
1959-1959 | Chevrolet | 3B |
1959-1959 | Chevrolet | 3C |
1959-1959 | Chevrolet | 3D |
1959-1959 | Chevrolet | 3E |
1959-1959 | Chevrolet | 3F |
1959-1959 | Chevrolet | 3G |
1955-1975 | Chevrolet | Bel Air |
1958-1972 | Chevrolet | Biscayne |
1969-1974 | Chevrolet | Blazer |
1987-1987 | Chevrolet | Blazer |
1959-1961 | Chevrolet | Brookwood |
1969-1972 | Chevrolet | Brookwood |
1975-1986 | Chevrolet | C10 |
1960-1974 | Chevrolet | C10 Pickup |
1967-1986 | Chevrolet | C10 Suburban |
1975-1986 | Chevrolet | C20 |
1960-1974 | Chevrolet | C20 Pickup |
1967-1986 | Chevrolet | C20 Suburban |
1975-1986 | Chevrolet | C30 |
1960-1974 | Chevrolet | C30 Pickup |
1960-1962 | Chevrolet | C40 |
1967-1987 | Chevrolet | Camaro |
1966-1987 | Chevrolet | Caprice |
1964-1973 | Chevrolet | Chevelle |
1963-1968 | Chevrolet | Chevy II |
1955-1981 | Chevrolet | Corvette |
1985-1987 | Chevrolet | Corvette |
1957-1958 | Chevrolet | Del Ray |
1959-1960 | Chevrolet | El Camino |
1964-1987 | Chevrolet | El Camino |
1969-1970 | Chevrolet | Estate |
1975-1987 | Chevrolet | G10 |
1972-1972 | Chevrolet | G10 Van |
1974-1974 | Chevrolet | G10 Van |
1975-1987 | Chevrolet | G20 |
1967-1974 | Chevrolet | G20 Van |
1975-1987 | Chevrolet | G30 |
1972-1972 | Chevrolet | G30 Van |
1974-1974 | Chevrolet | G30 Van |
1958-1985 | Chevrolet | Impala |
1975-1986 | Chevrolet | K10 |
1960-1974 | Chevrolet | K10 Pickup |
1967-1986 | Chevrolet | K10 Suburban |
1975-1986 | Chevrolet | K20 |
1960-1974 | Chevrolet | K20 Pickup |
1967-1986 | Chevrolet | K20 Suburban |
1977-1986 | Chevrolet | K30 |
1968-1974 | Chevrolet | K30 Pickup |
1975-1986 | Chevrolet | K5 Blazer |
1959-1961 | Chevrolet | Kingswood |
1969-1972 | Chevrolet | Kingswood |
1973-1976 | Chevrolet | Laguna |
1964-1967 | Chevrolet | Malibu |
1973-1983 | Chevrolet | Malibu |
1970-1987 | Chevrolet | Monte Carlo |
1975-1979 | Chevrolet | Monza |
1955-1961 | Chevrolet | Nomad |
1969-1979 | Chevrolet | Nova |
1955-1957 | Chevrolet | One-Fifty Series |
1975-1975 | Chevrolet | P10 |
1977-1979 | Chevrolet | P10 |
1961-1962 | Chevrolet | P10 Series |
1975-1987 | Chevrolet | P20 |
1961-1962 | Chevrolet | P20 Series |
1974-1974 | Chevrolet | P20 Van |
1975-1987 | Chevrolet | P30 |
1961-1962 | Chevrolet | P30 Series |
1974-1974 | Chevrolet | P30 Van |
1959-1961 | Chevrolet | Parkwood |
1987-1987 | Chevrolet | R10 |
1987-1987 | Chevrolet | R10 Suburban |
1987-1987 | Chevrolet | R20 |
1987-1987 | Chevrolet | R20 Suburban |
1987-1987 | Chevrolet | R30 |
1955-1958 | Chevrolet | Sedan Delivery |
1960-1966 | Chevrolet | Suburban |
1969-1972 | Chevrolet | Townsman |
1955-1958 | Chevrolet | Truck |
1960-1960 | Chevrolet | Truck |
1955-1957 | Chevrolet | Two-Ten Series |
1987-1987 | Chevrolet | V10 |
1987-1987 | Chevrolet | V20 |
1987-1987 | Chevrolet | V20 Suburban |
1987-1987 | Chevrolet | V30 |
1958-1958 | Chevrolet | Yeoman |
1960-1963 | GMC | 1000 Series |
1960-1963 | GMC | 1500 Series |
1960-1963 | GMC | 2500 Series |
1960-1966 | GMC | 3000 |
1960-1966 | GMC | 3500 |
1975-1978 | GMC | C15 |
1975-1978 | GMC | C15 Suburban |
1967-1974 | GMC | C15/C1500 Pickup |
1967-1974 | GMC | C15/C1500 Suburban |
1979-1986 | GMC | C1500 |
1979-1986 | GMC | C1500 Suburban |
1975-1978 | GMC | C25 |
1975-1978 | GMC | C25 Suburban |
1967-1974 | GMC | C25/C2500 Pickup |
1967-1974 | GMC | C25/C2500 Suburban |
1979-1986 | GMC | C2500 |
1979-1986 | GMC | C2500 Suburban |
1975-1978 | GMC | C35 |
1967-1974 | GMC | C35/C3500 Pickup |
1979-1986 | GMC | C3500 |
1978-1987 | GMC | Caballero |
1975-1978 | GMC | G15 |
1974-1974 | GMC | G15/G1500 Van |
1979-1987 | GMC | G1500 |
1975-1978 | GMC | G25 |
1974-1974 | GMC | G25/G2500 Van |
1979-1987 | GMC | G2500 |
1975-1978 | GMC | G35 |
1970-1974 | GMC | G35/G3500 Van |
1979-1987 | GMC | G3500 |
1970-1987 | GMC | Jimmy |
1975-1978 | GMC | K15 |
1975-1978 | GMC | K15 Suburban |
1967-1974 | GMC | K15/K1500 Pickup |
1967-1974 | GMC | K15/K1500 Suburban |
1979-1986 | GMC | K1500 |
1979-1986 | GMC | K1500 Suburban |
1975-1978 | GMC | K25 |
1975-1978 | GMC | K25 Suburban |
1967-1974 | GMC | K25/K2500 Pickup |
1967-1974 | GMC | K25/K2500 Suburban |
1979-1986 | GMC | K2500 |
1979-1986 | GMC | K2500 Suburban |
1977-1978 | GMC | K35 |
1968-1974 | GMC | K35/K3500 Pickup |
1979-1986 | GMC | K3500 |
1975-1978 | GMC | P25 |
1979-1987 | GMC | P2500 |
1975-1978 | GMC | P35 |
1979-1987 | GMC | P3500 |
1987-1987 | GMC | R1500 |
1987-1987 | GMC | R1500 Suburban |
1987-1987 | GMC | R2500 |
1987-1987 | GMC | R2500 Suburban |
1987-1987 | GMC | R3500 |
1971-1977 | GMC | Sprint |
1960-1965 | GMC | Suburban |
1960-1960 | GMC | Truck |
1987-1987 | GMC | V1500 |
1987-1987 | GMC | V1500 Suburban |
1987-1987 | GMC | V2500 |
1987-1987 | GMC | V2500 Suburban |