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Part number: 12-649-5
Product Details
Comp Cams 12-649-5 Xtreme Energy Camshaft
Products specifications
Advertised Duration 270 int./276 exh.
Advertised Exhaust Duration 276
Advertised Intake Duration 270
Basic Operating RPM Range 2,700-6,400
Cam Style Mechanical flat tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 240 int./242 exh.
Exhaust Duration at 050 inch Lift 242
Exhaust Valve Lash 0.018 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.510 in.
Grind Number CS 270XO-8
Intake Duration at 050 inch Lift 240
Intake Valve Lash 0.016 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.510 in.
Lobe Separation (degrees) 108
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.510 int./0.510 exh.
Valve Springs Required Yes
Title 12-649-5 CamShaft, CS 270XO-8
Engine Make/Size Chevy Small Block (262-400)
RPM Range 2000-9000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 242
Exh. Duration Advertised (Deg) 276
Exhaust Valve Lift (in.) 0.51
Int. Duration @ .050 in. (Deg) 240
Int. Duration Advertised (Deg) 270
Intake Valve Lift (in.) 0.510
Lifter Type Mechanical Flat Tappet
  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 1 Year Limited Warranty
Reviews
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I
I ordered an AEM intake for my F-150 on Christmas day and received it on the 29th.  I would absolutely recommend this site to anyone looking for car parts - they had the lowest price by far and shipped fast.  Great job!
G
Quick and Easy
A
Absolute lowest retail price and lightning fast shipping. What more can you ask?
K
Great selection of parts and great responses to orders through e mail
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