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COMP Cams 12-243-3 - Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts

COMP Cams 12-243-3 - Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts
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COMP Cams#249-12-243-3

Xtreme 4x4 X4270H Hydraulic Flat Tappet Camshaft
Lift: .480''/.498''
Duration: 270°/278°
Lobe Separation Angle: 111°
RPM Range: 1800-6000

COMP Cams 12-243-3 - Comp Cams 'Xtreme 4x4' Hydraulic Flat Tappet Camshafts Details

Chevy 262-400ci Small Block 1955-98

*Note: In order to use these camshafts in 1955-57 265ci blocks, it is necessary to machine a small groove in the rear main journal of the cam to allow oil flow to the top of the engine.

Strong mid-range and throttle response, likes headers, gears, 2200+ stall converter.

Operating Range:1800-6000 RPM
Duration Advertised:270° Intake / 278° Exhaust
Duration @ .050'' Lift:226° Intake / 234° Exhaust
Valve Lift w/1.5 Rockers:.480'' Intake / .498'' Exhaust
Lobe Separation Angle:111°

COMP Cams 12-243-3 - 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 249-12-243-3

Intake Valve Lift (in.)
0.480
Exhaust Valve Lift (in.)
0.498
RPM Range
1000-7000
Int. Duration @ .050 in. (Deg)
226
Exh. Duration @ .050 in. (Deg)
234
Int. Duration Advertised (Deg)
270
Exh. Duration Advertised (Deg)
278
Engine Make/Size
Chevy Small Block (262-400)
Lifter Type
Hydraulic Flat Tappet
Usage
Street/Performance
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