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Part number: K12-256-4
Product Details
Comp Cams K12-256-4 Xtreme Energy Camshaft Kit
Products specifications
Advertised Duration 256 int./268 exh.
Advertised Exhaust Duration 268
Advertised Intake Duration 256
Assembly Lubricant Included Yes
Basic Operating RPM Range 1,200-5,200
Cam Style Hydraulic flat tappet
Computer-Controlled Compatible Yes
Duration at 050 inch Lift 212 int./218 exh.
Exhaust Duration at 050 inch Lift 218
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.456 in.
Gaskets Included No
Grind Number CS XE256H-12
Intake Duration at 050 inch Lift 212
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.449 in.
Lifter Style Hydraulic flat tappet
Lifters Included Yes
Lobe Separation (degrees) 112
Locks Included Yes
Outside Diameter of Outer Spring (in) 1.254 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 0.449 int./0.456 exh. lift
Valve Springs Included Yes
Valve Springs Required No
Valve Stem Seals Included Yes
Title K12-256-4 CamShaft Kit, CS XE256H-12
Engine Make/Size Chevy Small Block (262-400)
RPM Range 1000-7000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 218
Exh. Duration Advertised (Deg) 268
Exhaust Valve Lift (in.) 0.456
Int. Duration @ .050 in. (Deg) 212
Int. Duration Advertised (Deg) 256
Intake Valve Lift (in.) 0.449
Lifter Type Hydraulic Flat Tappet
  • Xtreme Marine Camshaft
  • 1 Year Limited Warranty
Reviews
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T
Great pricing on hard to find products. Fast processing and shipping.
D
Good seller, less expensive products compare to other online store, and fast shipping too, I ordered last Sunday July 29, and it will gonna be here tomorrow , so excited.. Highly recommended !
B
Merchant agreed to resolve the issues. Items were received after 3 days and received the lowest price.
B
Purchase process an amount of time from purchase, an product being shipped is short an sweet!
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