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07/20/2029 3:19 AM
Summer Sale Price $982.23
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Part number: K11-771-8
Competitor Pricing
Product Details
Comp Cams K11-771-8 Xtreme Energy Camshaft Kit
Products specifications
Advertised Duration 280 int./286 exh.
Advertised Exhaust Duration 286
Advertised Intake Duration 280
Assembly Lubricant Included Yes
Basic Operating RPM Range 2,500-6,500
Cam Style Mechanical roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 242 int./248 exh.
Exhaust Duration at 050 inch Lift 248
Exhaust Valve Lash 0.018 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.653 in.
Gaskets Included No
Grind Number CB XR280 R-10
Intake Duration at 050 inch Lift 242
Intake Valve Lash 0.016 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.646 in.
Lifter Style Mechanical roller
Lifters Included Yes
Lobe Separation (degrees) 110
Locks Included Yes
Notes Requires thrust button and wear plate.
Outside Diameter of Outer Spring (in) 1.535 in.
Pushrods Included No
Quantity Sold as a kit.
Retainers Included Yes
Rocker Arms Included No
Timing Chain and Gears Included Yes
Timing Chain Style Double non-roller
Valve Lift with Factory Rocker Arm Ratio 0.646 int./0.653 exh. lift
Valve Springs Included Yes
Valve Springs Required No
Valve Stem Seals Included Yes
Title K11-771-8 CamShaft Kit, CB XR280 R-10
Engine Make/Size Chevy Big Block (396-454)
RPM Range 2000-9000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 248
Exh. Duration Advertised (Deg) 286
Int. Duration @ .050 in. (Deg) 242
Int. Duration Advertised (Deg) 280
Lifter Type Mechanical Roller
  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 1 Year Limited Warranty
Reviews
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J
Gorilla Automotive VS404-C Snap In Valve Stems
T
Great Price on products and Shipping
M
Fast shipping, Good communication, Highly recommended.!!!
D
quick delivery of the parts I need to fix my jeep
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