Good mid-range power, good performance increase. Largest with stock converter.
Fits '58-'02 262-400 c.i.d. Chevy Small Blocks
  • Good mid-range power - Good performance increase - Largest with stock converter
  • Xtreme 4X4â„¢ -Due to the allowances of lower engine speed, these designs are slightly more aggressive than the original Xtreme Energyâ„¢ Hydraulic Rollers. Great low and mid-range torque. They are one of our most aggressive hydraulic Roller lobes and run well in street, off-road and four-wheeling.
  • WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.
    • 1: Cams for '55-'57 engines can be custom ordered. 2: The '87+ Chevy Small Block received provisions for Roller lifters. Most '87 - '93 GM cars came with Roller lifters, but most '87 - '95 trucks came with flat tappet lifters in Roller lifter style blocks. If your block has '87+ OEM-style Roller Cam provisions but does not have Roller components fitted, COMP Hydraulic Roller Lifter Install Kit for '91-'02 Blocks can be purchased. As well as a '87+ OE-Style COMP Hydraulic Roller Cam.

    Application Summary:

    Year Make/Model
    1995-1996 AM General Hummer
    1965-1985 Avanti II
    1987-1991 Avanti II
    1965-1969 Bizzarrini GT America
    1977-1981 Buick Century
    1991-1996 Buick Commercial Chassis
    1978 Buick LeSabre
    1977-1980 Buick Regal
    1982-1987 Buick Regal
    1991-1996 Buick Roadmaster
    1977-1979 Buick Skylark
    1990-1992 Cadillac Brougham
    1992-1996 Cadillac Commercial Chassis
    1993-1996 Cadillac Fleetwood
    1966-1974 Checker Aerobus
    1969-1970 Checker Deluxe
    1965-1982 Checker Marathon
    1969-1974 Checker Taxicab
    1959 Chevrolet 3B
    1959 Chevrolet 3C
    1959 Chevrolet 3D
    1959 Chevrolet 3E
    1959 Chevrolet 3F
    1959 Chevrolet 3G
    1980-1990 Chevrolet B60
    1955-1975 Chevrolet Bel Air
    1981 Chevrolet Bel Air
    1958-1972 Chevrolet Biscayne
    1969-1974 Chevrolet Blazer
    1987-1994 Chevrolet Blazer
    1959-1961 Chevrolet Brookwood
    1969-1972 Chevrolet Brookwood
    1975-1986 Chevrolet C10
    1960-1974 Chevrolet C10 Pickup
    1967-1986 Chevrolet C10 Suburban
    1982-1985 Chevrolet C15
    1988-1995 Chevrolet C1500
    1992-1995 Chevrolet C1500 Suburban
    1975-1987 Chevrolet C20
    1960-1974 Chevrolet C20 Pickup
    1967-1986 Chevrolet C20 Suburban
    1988-1995 Chevrolet C2500
    1992-1995 Chevrolet C2500 Suburban
    1975-1986 Chevrolet C30
    1960-1974 Chevrolet C30 Pickup
    1983-1994 Chevrolet C35
    1988-1995 Chevrolet C3500
    1991-1995 Chevrolet C3500HD
    1960-1962 Chevrolet C40
    1980-1990 Chevrolet C50
    1980-1990 Chevrolet C60
    1986 Chevrolet C70
    1967-1986 Chevrolet Camaro
    1966-1996 Chevrolet Caprice
    1967-1973 Chevrolet Chevelle
    1963-1968 Chevrolet Chevy II
    1991-1994 Chevrolet Commercial Chassis
    1955-1982 Chevrolet Corvette
    1984-1986 Chevrolet Corvette
    1957-1958 Chevrolet Del Ray
    1959-1960 Chevrolet El Camino
    1964-1987 Chevrolet El Camino
    1969-1970 Chevrolet Estate
    1996 Chevrolet Express 2500
    1975-1995 Chevrolet G10
    1970-1974 Chevrolet G10 Van
    1975-1995 Chevrolet G20
    1967-1974 Chevrolet G20 Van
    1975-1996 Chevrolet G30
    1970-1974 Chevrolet G30 Van
    1958-1985 Chevrolet Impala
    1994-1996 Chevrolet Impala
    Attributes
    Advertised Exhaust Duration 264, 264
    Advertised Intake Duration 260, 260
    Amazon ASIN B000P5G6L2
    ASIN B000P5G6L2
    Assembly Lubricant Included No, No
    Basic Operating RPM Range 1,200-5,200, 1,200-5,200
    C.A.R.B. E.O. Number N/A
    C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? Yes, but must meet tailpipe emission standards for year of vehicle.
    C.A.R.B. Exempt for On-Road Vehicles? No
    C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? Yes, but must be a race/competition only vehicle.
    C.A.R.B. Exemption Reason N/A
    California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
    Cam and Lifter Kit Upgrade CL12-411-8, CL12-411-8
    Cam Type Hydraulic Roller, Hydraulic Roller
    Camshaft Gear Attachment 3-Bolt, 3-Bolt
    Camshaft Material Austempered Ductile Iron, Austempered Ductile Iron
    Camshaft Series Xtreme 4x4, Xtreme 4x4
    Country of Origin (Primary) US
    Emission Code Not in CA
    Engine Family Chevrolet 262-400 c.i. 8 Cylinder (1958-1998), Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
    Engine Make/Size Chevy Small Block (262-400)
    Exh. Duration @ .050 in. (Deg) 214
    Exh. Duration Advertised (Deg) 264
    Exhaust Duration at .050 inch Lift 214, 214
    Exhaust Valve Lift 0.474, 0.474
    Exhaust Valve Lift (in.) 0.474
    Grind Number X4260HR, X4260HR
    Harmonized Tariff Code (Schedule B) 8409914000
    Hazardous Material Code N
    Int. Duration @ .050 in. (Deg) 210
    Int. Duration Advertised (Deg) 260
    Intake Duration at .050 Inch Lift 210, 210
    Intake Valve Lift 0.474, 0.474
    Intake Valve Lift (in.) 0.474
    K-Kit Upgrade K12-411-8, K12-411-8
    Life Cycle Status Code Available to Order
    Lifter Style Hydraulic Roller
    Lifter Type Hydraulic Roller, Hydraulic Roller
    Lifters Included No, No
    Lobe Separation 111, 111
    NAFTA Preference Criterion Code B
    RPM Range 1200-5200
    SDR Required Flag N
    SDS Sheet Number N/A
    SK-Kit Upgrade SK12-411-8, SK12-411-8
    Usage Street/Performance, Street/Performance
    Valve Springs Required Yes, Yes
    Warranty Time 12
    GTIN 00036584038245

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