Comp Cams Hi-TechT, 280B-6  Good for 1/8 Mile Drag or 1/4 to 3/8 Mile Oval Track

Hi-Tech", 280B-6 
Good for 1/8 Mile Drag or 1/4 to 3/8 Mile Oval Track

• Lifter Type: Solid Lifter
• Engine Family: Chevrolet 194-250 c.i. 6 CYL. 1963-1984
• Description: Solid-Good for 1/8 mile drag or, 1/4 to 3/8 mile oval track. Broad torque range.
• Cam Family: Hi-Tech" Mechanical Flat Tappet Camshafts

Specification:

• RPM Range: 3500 to 6500
• Valve Timing: 0.02
• Lobe Separation: 106°
• Intake Centerline: 106°
• Valve Lash: 0.022 Intake/ 0.024 Exhaust
• Duration: 280 Intake/ 284 Exhaust
• Duration @ .050" Lift: 242 Intake/ 246Exhaust
• Valve Lift: 0.591 Intake/0.57 Exhaust
• Lobe Lift: 0.339 Intake/ 0.326 Exhaust

Vehicle Fitments:

Year Make Model Submodel 1973 - 1975 Buick Apollo Base 1975 Buick Apollo SR 1970 Buick Skylark 350 1968 - 1971 Buick Skylark Base, Custom 1968 - 1969 Buick Special Base 1970 - 1974 Checker A11 Base 1970 - 1974 Checker A11E Base 1969 - 1970 Checker Deluxe Base 1971 - 1975 Checker Marathon Aerobus 1965 - 1979 Checker Marathon Base 1970 - 1979 Checker Marathon Deluxe 1965 - 1974 Checker Marathon Town Custom 1969 - 1974 Checker Taxicab Base 1963 - 1973 Chevrolet Bel Air Base 1963 - 1972 Chevrolet Biscayne Base 1969 - 1974 Chevrolet Blazer Base 1969 - 1972 Chevrolet Brookwood Base 1978 - 1980 Chevrolet C10 Big Ten 1975 - 1981 Chevrolet C10 Cheyenne 1975 - 1980 Chevrolet C10 Custom Deluxe 1981 Chevrolet C10 Deluxe 1975 - 1984 Chevrolet C10 Scottsdale, Custom, Silverado 1966 - 1967 Chevrolet C10 Panel Base 1963 - 1974 Chevrolet C10 Pickup Base 1967 - 1974 Chevrolet C10 Suburban Base 1975 - 1980 Chevrolet C10 Suburban Custom Deluxe, Scottsdale, Silverado 1975 - 1981 Chevrolet C20 Cheyenne 1981 - 1984 Chevrolet C20 Custom 1975 - 1980 Chevrolet C20 Custom Deluxe 1981 Chevrolet C20 Deluxe 1975 - 1984 Chevrolet C20 Silverado, Scottsdale 1967 Chevrolet C20 Panel Base 1963 - 1974 Chevrolet C20 Pickup Base 1967 - 1974 Chevrolet C20 Suburban Base 1975 - 1980 Chevrolet C30 Silverado, Scottsdale, Custom Deluxe, Base, Cheyenne 1966 Chevrolet C30 Panel Base 1963 - 1974 Chevrolet C30 Pickup Base 1967 - 1979 Chevrolet Camaro Base, Z28 1979 Chevrolet Camaro Berlinetta 1973 - 1978 Chevrolet Camaro LT 1976 - 1978 Chevrolet Camaro LT Rally Sport 1976 - 1979 Chevrolet Camaro Rally Sport 1967 - 1975 Chevrolet Camaro RS 1967 - 1972 Chevrolet Camaro SS 1967 - 1974 Chevrolet Caprice Base 1973 - 1979 Chevrolet Caprice Classic 1977 - 1978 Chevrolet Caprice Classic Estate 1977 - 1979 Chevrolet Caprice Classic Landau 1973 - 1974 Chevrolet Caprice Estate 1979 Chevrolet Caprice Landau, Classic Sport 1967 - 1968 Chevrolet Chevelle 300 1967 - 1969 Chevrolet Chevelle 300 Deluxe 1964 - 1972 Chevrolet Chevelle Base, SS 1967 - 1972 Chevrolet Chevelle Concours 1969 - 1972 Chevrolet Chevelle Concours Estate, Greenbrier 1965 - 1973 Chevrolet Chevelle Deluxe 1968 - 1972 Chevrolet Chevelle Nomad, Malibu 1962 - 1967 Chevrolet Chevy II Base 1962 - 1968 Chevrolet Chevy II Nova 1964 - 1967 Chevrolet Chevy II Nova SS 1964 - 1977 Chevrolet El Camino Base 1975 - 1977 Chevrolet El Camino Classic 1977 Chevrolet El Camino Conquista 1968 - 1974 Chevrolet El Camino Custom 1968 - 1977 Chevrolet El Camino SS 1969 - 1970 Chevrolet Estate Base 1983 Chevrolet G10 Base 1975 - 1984 Chevrolet G10 Beauville, Sportvan, Chevy Van 1981 - 1984 Chevrolet G10 Bonaventure 1967 - 1974 Chevrolet G10 Van Base 1972 - 1974 Chevrolet G10 Van Sportvan 1983 - 1984 Chevrolet G20 Bonaventure 1975 - 1984 Chevrolet G20 Chevy Van, Beauville, Sportvan 1978 - 1981 Chevrolet G20 Nomad 1967 - 1974 Chevrolet G20 Van Base 1968 - 1974 Chevrolet G20 Van Sportvan 1983 - 1984 Chevrolet G30 Bonaventure 1976 - 1984 Chevrolet G30 Sportvan, Hi-Cube, Chevy Van, Beauville 1972 - 1974 Chevrolet G30 Van Base, Sportvan 1963 - 1979 Chevrolet Impala Base 1977 Chevrolet Impala Custom 1977 - 1979 Chevrolet Impala Landau 1979 Chevrolet Impala Sport 1964 - 1967 Chevrolet Impala SS 1975 - 1981 Chevrolet K10 Cheyenne 1981 - 1984 Chevrolet K10 Custom 1975 - 1980 Chevrolet K10 Custom Deluxe 1981 Chevrolet K10 Deluxe 1975 - 1984 Chevrolet K10 Silverado, Scottsdale 1963 - 1974 Chevrolet K10 Pickup Base 1967 - 1974 Chevrolet K10 Suburban Base 1975 - 1980 Chevrolet K10 Suburban Custom Deluxe, Silverado, Scottsdale 1975 - 1980 Chevrolet K20 Custom Deluxe, Silverado, Cheyenne, Scottsdale 1967 Chevrolet K20 Panel Base 1963 - 1974 Chevrolet K20 Pickup Base 1967 - 1974 Chevrolet K20 Suburban Base 1968 - 1974 Chevrolet K30 Pickup Base 1976 Chevrolet K5 Blazer Base 1981 - 1982 Chevrolet K5 Blazer Custom 1975 - 1980 Chevrolet K5 Blazer Custom Deluxe, Cheyenne 1981 Chevrolet K5 Blazer Deluxe 1978 - 1982 Chevrolet K5 Blazer Silverado 1964 - 1977 Chevrolet Malibu Base 1974 - 1977 Chevrolet Malibu Classic 1975 - 1976 Chevrolet Malibu Classic Estate 1976 - 1977 Chevrolet Malibu Classic Landau 1977 Chevrolet Malibu Classic Sport, Sport 1973 - 1974 Chevrolet Malibu Estate 1976 Chevrolet Malibu Landau 1969 - 1979 Chevrolet Nova Base 1976 - 1977 Chevrolet Nova Concours 1973 - 1979 Chevrolet Nova Custom 1975 Chevrolet Nova LN 1975 - 1978 Chevrolet Nova Police 1977 - 1979 Chevrolet Nova Rally 1976 Chevrolet Nova SS 1963 - 1967 Chevrolet P10 Series Base 1973 - 1974 Chevrolet P10 Van Base 1963 - 1967 Chevrolet P20 Series Base 1973 - 1974 Chevrolet P20 Van Base 1976 - 1979 Chevrolet P30 Step-Van, Base 1963 - 1967 Chevrolet P30 Series Base 1973 - 1974 Chevrolet P30 Van Base 1963 - 1966 Chevrolet Suburban Base 1966 GMC 1000 Base 1963 - 1965 GMC 1000 Series Base 1966 GMC 1500 Base 1963 - 1965 GMC 1500 Series Base 1966 GMC 2500 Base 1963 - 1965 GMC 2500 Series Base 1963 - 1966 GMC 3000 Base 1963 - 1966 GMC 3500 Base 1975 - 1978 GMC C15 Base, High Sierra, Sierra Classic, Sierra Grande 1977 - 1978 GMC C15 Heavy Half 1977 GMC C15 Indy Hauler 1978 GMC C15 Street Coupe 1975 - 1978 GMC C15 Suburban Base, Sierra Classic, Sierra Grande, High Sierra 1967 - 1974 GMC C15/C1500 Pickup Base 1967 - 1974 GMC C15/C1500 Suburban Base 1979 - 1980 GMC C1500 Heavy Half 1979 - 1984 GMC C1500 Sierra Classic, High Sierra, Base 1979 - 1982 GMC C1500 Sierra Grande, Street Coupe 1979 - 1980 GMC C1500 Suburban High Sierra, Sierra Grande, Sierra Classic, Base 1975 - 1978 GMC C25 Sierra Grande, Base, High Sierra, Sierra Classic 1967 - 1974 GMC C25/C2500 Pickup Base 1967 - 1974 GMC C25/C2500 Suburban Base 1979 - 1984 GMC C2500 High Sierra, Sierra Classic, Base 1979 - 1982 GMC C2500 Sierra Grande 1975 - 1978 GMC C35 High Sierra, Sierra Grande, Base, Sierra Classic 1967 - 1974 GMC C35/C3500 Pickup Base 1979 - 1980 GMC C3500 High Sierra, Sierra Classic, Sierra Grande, Base 1963 - 1966 GMC G1000 Series Base 1975 - 1978 GMC G15 Rally, Vandura, Rally STX 1967 GMC G15/G1500 Van Base 1972 - 1974 GMC G15/G1500 Van Rally, Vandura 1983 - 1984 GMC G1500 Rally Custom 1979 - 1984 GMC G1500 Rally, Rally STX, Vandura 1978 GMC G25 Rally STX, Rally, Vandura 1967 - 1972 GMC G25/G2500 Van Base 1972 - 1974 GMC G25/G2500 Van Rally, Vandura 1983 - 1984 GMC G2500 Rally Custom 1979 - 1984 GMC G2500 Vandura, Rally STX, Rally 1978 GMC G35 Rally STX, Rally, Vandura, Magnavan, Vandura Special, Rally Camper Special 1970 - 1974 GMC G35/G3500 Van Base 1971 - 1974 GMC G35/G3500 Van Vandura, Rally 1979 - 1984 GMC G3500 Rally Camper Special, Vandura, Vandura Special, Rally STX, Magnavan, Rally 1982 - 1984 GMC G3500 Rally Custom 1964 - 1966 GMC I1000 Base 1965 - 1966 GMC I1500 Base 1965 - 1966 GMC I2500 Base 1966 GMC I3500 Base 1970 - 1982 GMC Jimmy Base 1975 - 1982 GMC Jimmy Sierra Classic, High Sierra, Sierra Grande 1978 - 1982 GMC Jimmy Street Coupe 1977 GMC K15 Indy Hauler 1975 - 1978 GMC K15 Sierra Grande, Base, Sierra Classic, High Sierra 1975 - 1978 GMC K15 Suburban Sierra Classic, High Sierra, Base, Sierra Grande 1967 - 1974 GMC K15/K1500 Pickup Base 1967 - 1974 GMC K15/K1500 Suburban Base 1979 - 1984 GMC K1500 High Sierra, Sierra Classic, Base 1979 - 1982 GMC K1500 Sierra Grande 1979 - 1980 GMC K1500 Suburban Sierra Classic, Sierra Grande, High Sierra, Base 1975 - 1978 GMC K25 Sierra Grande, Base, Sierra Classic, High Sierra 1967 - 1974 GMC K25/K2500 Pickup Base 1967 - 1974 GMC K25/K2500 Suburban Base 1980 GMC K2500 High Sierra, Sierra Classic, Sierra Grande, Base 1968 - 1974 GMC K35/K3500 Pickup Base 1966 - 1967 GMC LI3500 Base 1966 GMC P1000 Base 1973 - 1974 GMC P15/P1500 Van Base 1967 - 1974 GMC P25/P2500 Van Base 1967 - 1974 GMC P35/P3500 Van Base 1974 GMC P35/P3500 Van Motorhome 1963 - 1966 GMC PB1000 Series Base 1966 GMC PB15 Series Base 1963 - 1965 GMC PB1500 Series Base 1966 GMC PB25 Series Base 1963 - 1965 GMC PB2500 Series Base 1966 GMC PB2500 Van Base 1966 GMC PB3500 Van Base 1971 - 1977 GMC Sprint Base 1975 - 1977 GMC Sprint Classic 1972 - 1974 GMC Sprint Custom 1975 GMC Sprint High Sierra 1976 GMC Sprint Sierra Madre Del Sur 1975 - 1976 GMC Sprint SP 1963 - 1966 GMC Suburban Base 1975 Oldsmobile Cutlass 442 1967 - 1975 Oldsmobile Cutlass Base 1967 Oldsmobile Cutlass Holiday, Turnpike Cruiser 1968 - 1976 Oldsmobile Cutlass S 1976 Oldsmobile Cutlass Vista Cruiser, Colonnade S 1975 - 1976 Oldsmobile Cutlass Supreme Base 1976 Oldsmobile Cutlass Supreme Colonnade 1975 Oldsmobile Cutlass Supreme Hurst, Cruiser 1966 - 1971 Oldsmobile F85 Base 1966 Oldsmobile F85 Deluxe, Holiday 1973 - 1976 Oldsmobile Omega Base 1975 Oldsmobile Omega Salon 1976 Oldsmobile Omega SX, Brougham, F85 1974 Pontiac Catalina Base, Safari 1970 - 1976 Pontiac Firebird Esprit, Formula, Trans Am, Base 1975 - 1976 Pontiac Grand LeMans Base 1976 Pontiac Grand LeMans LE, BR 1975 Pontiac Grand LeMans Safari 1968 - 1976 Pontiac LeMans Base 1972 - 1974 Pontiac LeMans Luxury 1969 - 1975 Pontiac LeMans Safari 1974 Pontiac LeMans Safari Luxury 1970 - 1976 Pontiac LeMans Sport 1976 Pontiac LeMans Sport Coupe 1971 Pontiac LeMans T37 1970 Pontiac Tempest GT, Base 1971 - 1976 Pontiac Ventura Base 1973 - 1975 Pontiac Ventura Custom 1974 Pontiac Ventura GTO 1975 Pontiac Ventura S 1975 - 1976 Pontiac Ventura SJ 1965 - 1966 Studebaker Commander Base 1965 - 1966 Studebaker Cruiser Base 1965 - 1966 Studebaker Daytona Base 1966 Studebaker Wagonaire Base