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Part number: 11-748-14
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Product Details
Comp Cams 11-748-14 Drag Race 4/7 Swap Firing Order Camshaft
Products specifications
Advertised Duration 312 int./319 exh.
Advertised Exhaust Duration 319
Advertised Intake Duration 312
Basic Operating RPM Range 4,800-7,400
Cam Style Mechanical roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 278 int./282 exh.
Exhaust Duration at 050 inch Lift 282
Exhaust Valve Lash 0.026 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.680 in.
Grind Number 47S 312-R10
Intake Duration at 050 inch Lift 278
Intake Valve Lash 0.024 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.714 in.
Lobe Separation (degrees) 110
Notes With 18736542 firing order. Has a 4 and 7 firing order swap. Requires upgraded gear, thrust button, and wear plate.
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.714 int./0.680 exh. lift
Valve Springs Required Yes
Title 11-748-14 CamShaft, CB 47S 312-R10
Engine Make/Size Chevy Big Block (396-454)
RPM Range 3000-9000
Usage Strip
Exh. Duration @ .050 in. (Deg) 282
Exh. Duration Advertised (Deg) 319
Exhaust Valve Lift (in.) 0.68
Int. Duration @ .050 in. (Deg) 278
Int. Duration Advertised (Deg) 312
Intake Valve Lift (in.) 0.714
Lifter Type Mechanical Roller
  • Drag Race Xtreme RX Camshaft
  • 1 Year Limited Warranty
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