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COMP Cams 12-801-9

Drag Race Mechanical Roller Camshaft Lift: .660" /.630" Duration: 313/322 RPM Range: 4500-7500

COMP Cams 12-801-9

249-12-801-9

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Estimated ship date 11/27/17 if Ordered Today
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COMP Cams 12-801-9 Drag Race Mechanical Roller Camshaft Lift: .660" /.630" Duration: 313/322 RPM Range: 4500-7500 $322.99
Drag Race Mechanical Roller Camshaft
Lift: .660''/.630''
Duration: 313/322
RPM Range: 4500-7500

COMP Cams 12-801-9 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 upgraded gear, thrust button & wear plate.

350-400ci, 5000 stall converter, 11.5:1 compression, ported heads.

Operating Range:4500-7500 RPM
Duration Advertised:313° Intake / 322° Exhaust
Duration @ .050'' Lift:276° Intake / 284° Exhaust
Valve Lift w/1.5 Rockers:.660'' Intake / .630'' Exhaust
Valve Setting:.026'' Intake / .028'' Exhaust
Lobe Separation Angle:106°

Specifications:

Exhaust Valve Lift (in.)
0.63
Intake Valve Lift (in.)
0.660
Int. Duration @ .050 in. (Deg)
276
Exh. Duration @ .050 in. (Deg)
284
Int. Duration Advertised (Deg)
313-6
Exh. Duration Advertised (Deg)
322-3
RPM Range
4500-7500
Engine Make/Size
Chevy Small Block (262-400)
Lifter Type
Mechanical Roller
Usage
Strip
Advertised Duration
313 int./322 exh.
Advertised Exhaust Duration
322
Advertised Intake Duration
313
Basic Operating RPM Range
4,500-7,500
Cam Style
Mechanical roller tappet
Computer-Controlled Compatible
No
Duration at 050 inch Lift
276 int./284 exh.
Exhaust Duration at 050 inch Lift
284
Exhaust Valve Lash (in.)
0.028
Exhaust Valve Lift with Factory Rocker Arm Ratio (
0.63
Grind Number
CS 313R-6
Intake Duration at 050 inch Lift
276
Intake Valve Lash (in.)
0.026
Intake Valve Lift with Factory Rocker Arm Ratio (i
0.66
Quantity
Sold individually
Valve Lift with Factory Rocker Arm Ratio
0.660 int./0.630 exh.
Valve Springs Required
Yes
Lobe Separation (Deg)
106
Manufacturer's Part Number:
12-801-9

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.

Features:
  • Wide assortment of racing camshafts for all application requirements of drag, oval track and puller & mud competitors
  • Require accurate assessment of rear end gearing and other vehicle-based equipment to deliver top performance
  • Not made for street use or vehicles requiring accessory drive equipment, such as power brakes, air conditioning, etc.

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

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