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COMP Cams CL11-231-3 - Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts

COMP Cams CL11-231-3 - Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts

COMP Cams#249-CL11-231-3

Xtreme 4x4 X4254H Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .505''/.505''
Duration: 254°/262°
Lobe Separation Angle: 111°
RPM Range: 1000-5000
  • Fits Applications:
  • 1968-1974
    CHEVROLET
    1976-1996
    CHEVROLET
    1968-1974
    GMC
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COMP Cams CL11-231-3 - Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts Details

Chevy 396-454ci Big Block 1965-96

*Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16'' wide x 7/64'' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.

Good low-end and mid-range torque and power with a good idle.

Operating Range:1000-5000 RPM
Duration Advertised:254° Intake / 262° Exhaust
Duration @ .050'' Lift:210° Intake / 218° Exhaust
Valve Lift w/1.7 Rockers:.505'' Intake / .505'' Exhaust
Lobe Separation Angle:111°

COMP Cams CL11-231-3 - Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts

Big Torque Cams!

Four wheel drive engines have special needs and requirements that most street performance camshaft just can't properly statisfy. Comp Cams Xtreme 4x4 camshafts produce tremendous off-idle torque and throttle response as well as big torque throughout the entire operating range without sacrificing necessary vacuum. We do not recommend the use of stock valve train components with these camshafts due to the aggressive lobe designs.

Camshaft & Lifter Kits are indicated by a CL in their part number and include Camshaft, Lifters, Assembly Lube, Decals, and Instructions.

Complete Kits are indicated by a K in their part number and include Camshaft, Lifters, Timing Chain & Gears, Valve Springs, Retainers, Locks, Assembly Lube, Decals, and Instructions.

Small Kits are indicated by a SK in their part number and include Camshaft, Lifters, Timing Chain Set, Assembly Lube, Decals, and Instructions.

COMP Cams 249-CL11-231-3

Exhaust Valve Lift (in.)
0.505
Intake Valve Lift (in.)
0.505
RPM Range
1000-7000
Int. Duration @ .050 in. (Deg)
210
Exh. Duration @ .050 in. (Deg)
218
Int. Duration Advertised (Deg)
254
Exh. Duration Advertised (Deg)
262
Engine Make/Size
Chevy Big Block (396-502)
Lifter Type
Hydraulic Flat Tappet
Usage
Street/Performance
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