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Part number: K54-446-11
Competitor Pricing
Product Details
Comp Cams K54-446-11 CAMSHAFT KIT- LS1 XER281HR-12
Products specifications
Advertised Duration 281 int./283 exh.
Advertised Exhaust Duration 283
Advertised Intake Duration 281
Assembly Lubricant Included Yes
Basic Operating RPM Range 2,400-7,200
Cam Style Hydraulic roller tappet
Camshaft Gear Attachment 3-bolt
Camshaft Manufacturers Description Xtreme Energy XE-R design for standard displacement LS6 and LS1. Race only applications.
Computer-Controlled Compatible Yes
Duration at 050 inch Lift 232 int./234 exh.
Exhaust Duration at 050 inch Lift 234
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.598 in.
Gaskets Included No
Grind Number XER281HR
Intake Duration at 050 inch Lift 232
Intake Valve Lift with Factory Rocker Arm Ratio 0.595 in.
Lifter Style Hydraulic roller
Lifters Included Yes
Lobe Separation (degrees) 112
Locks Included Yes
Outside Diameter of Outer Spring (in) 1.055 in.
Pushrods Included No
Quantity Sold as a kit.
Retainers Included Yes
Rocker Arms Included No
Timing Chain and Gears Included No
Valve Lift with Factory Rocker Arm Ratio 0.595 int./0.598 exh.
Valve Springs Included Yes
Valve Springs Required Yes
Valve Stem Seals Included Yes
Title K54-446-11 CamShaft Kit, LS1 XER281HR-12
Engine Make/Size Chevy Small Block (262-400)
RPM Range 2200-7200
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 234
Exh. Duration Advertised (Deg) 283
Exhaust Valve Lift (in.) 0.598
Int. Duration @ .050 in. (Deg) 232
Int. Duration Advertised (Deg) 281
Intake Valve Lift (in.) 0.595
Lifter Type Hydraulic Roller
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Lowest price I can find! Sent tracking number via FedEx without trouble! Would recommend!
Ordered a product and received within 2 days. Easy transaction and quick delivery.
Wow, first time I ordered and they hit a homerun with me!!  Shipped same day I ordered AND was the cheapest option I had including shipping.  I'll be back.  Thanks for the great service!!
First time customer and I'll be back! Great prices, and rediculously fast shipping. Ordered Sunday night, delivered Wednesday morning. Couldn't ask for better service.
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