Comp Cams 12-900-9 - Comp Cams 'Drag Race' Mechanical Roller Camshafts

Comp Cams 12-900-9 - Comp Cams 'Drag Race' Mechanical Roller Camshafts

Comp Cams#249-12-900-9

Bracket Race
Drag Race 288AR-6 Mechanical Roller Camshaft Only
Lift: .630''/.630''
Duration: 288°/296°
RPM Range: 3200-6200
$334.99 Ships


Comp Cams 12-900-9 - Comp Cams 'Drag Race' Mechanical Roller Camshafts

Comp Cams 12-900-9 - Comp Cams 'Drag Race' Mechanical Roller 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.

**Note: Requires bronze gear, thrust button & wear plate.

Great torque, 10:1 compression, 3500+ stall.

Operating Range:3200-6200 RPM
Duration Advertised:288° Intake / 296° Exhaust
Duration @ .050'' Lift:252° Intake / 258° Exhaust
Valve Lift w/1.5 Rockers:.630'' Intake / .630'' Exhaust
Valve Setting:.026'' Intake / .028'' Exhaust
Lobe Separation Angle:106°

Comp Cams 12-900-9 - Comp Cams 'Drag Race' Mechanical Roller Camshafts

Roller Cam For On Demand Power

Camshafts specifically designed for use in all ''Super'' catagory cars, especially those equipped with throttle stops. These powerful Comp Cams offer crisp, immediate throttle response and excellent repeatability, plus are relatively easy on valve train parts.

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 249-12-900-9

Exhaust Valve Lift (in.)
0.63
Intake Valve Lift (in.)
0.630
Int. Duration @ .050 in. (Deg)
252
Exh. Duration @ .050 in. (Deg)
258
Int. Duration Advertised (Deg)
288-5
Exh. Duration Advertised (Deg)
296-6
RPM Range
3000-9000
Engine Make/Size
Chevy Small Block (262-400)
Lifter Type
Mechanical Roller
Usage
Strip
Accessories
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