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07/15/2029 5:54 PM
Summer Sale Price $975.07
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Part number: K12-422-8
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Product Details
Comp Cams K12-422-8 Xtreme Energy Camshaft Kit
Products specifications
Advertised Duration 270 int./276 exh.
Advertised Exhaust Duration 276
Advertised Intake Duration 270
Assembly Lubricant Included Yes
Basic Operating RPM Range 1,600-5,400
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 218 int./224 exh.
Exhaust Duration at 050 inch Lift 224
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.502 in.
Gaskets Included No
Grind Number CS XR270HR-10
Intake Duration at 050 inch Lift 218
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.495 in.
Lifter Style Hydraulic roller
Lifters Included Yes
Lobe Separation (degrees) 110
Locks Included Yes
Notes Requires thrust button and wear plate.
Outside Diameter of Outer Spring (in) 1.430 in.
Pushrods Included Yes
Quantity Sold as a kit.
Retainers Included Yes
Rocker Arms Included No
Timing Chain and Gears Included Yes
Timing Chain Style Double roller
Valve Lift with Factory Rocker Arm Ratio 0.495 int./0.502 exh. lift
Valve Springs Included Yes
Valve Springs Required No
Valve Stem Seals Included Yes
Title K12-422-8 CamShaft Kit, CS XR270H-R10
Engine Make/Size Chevy Small Block (262-400)
RPM Range 1000-7000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 224
Exh. Duration Advertised (Deg) 276
Exhaust Valve Lift (in.) 0.495
Int. Duration @ .050 in. (Deg) 218
Int. Duration Advertised (Deg) 270
Intake Valve Lift (in.) 0.495
Lifter Type Hydraulic Roller
  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 1 Year Limited Warranty
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