No hassle
returns
Live in-stock
inventory
Save over
60% retail
You have no items in your shopping cart.
June Sale: $1,076.15
In Stock
May ship from manufacturer
Free Shipping
Part number: K01-421-8
Competitor Pricing
Product Details
Comp Cams K01-421-8 Xtreme Energy Camshaft Kit
Products specifications
Advertised Duration 288 int./294 exh.
Advertised Exhaust Duration 294
Advertised Intake Duration 288
Assembly Lubricant Included Yes
Basic Operating RPM Range 2,500-6,000
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 236 int./242 exh.
Exhaust Duration at 050 inch Lift 242
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.540 in.
Gaskets Included No
Grind Number G6 XR288HR-10
Intake Duration at 050 inch Lift 236
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.521 in.
Lifter Style Hydraulic roller
Lifters Included Yes
Lobe Separation (degrees) 110
Locks Included Yes
Outside Diameter of Outer Spring (in) 1.437 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 roller
Valve Lift with Factory Rocker Arm Ratio 0.521 int./0.540 exh. lift
Valve Springs Included Yes
Valve Springs Required No
Valve Stem Seals Included Yes
Title K01-421-8 CamShaft Kit, CBVI XR288HR-10
Engine Make/Size Chevy Gen VI 454
RPM Range 2000-9000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 242
Exh. Duration Advertised (Deg) 294
Exhaust Valve Lift (in.) 0.54
Int. Duration @ .050 in. (Deg) 236
Int. Duration Advertised (Deg) 288
Intake Valve Lift (in.) 0.521
Lifter Type Hydraulic Roller
  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 1 Year Limited Warranty
Reviews
Add your review
K
Easy ordering, the right part, arrived timely.
W
Amazing service! Great Products! Customer for life!
H
Ordering easy and strait forward. Thank you!
R
I would like you to add a registration option with orders .
Show All Reviews
Fitment
Chevrolet C2500
1999 Chevrolet C2500 ALL
1998 Chevrolet C2500 ALL
1997 Chevrolet C2500 ALL
1996 Chevrolet C2500 ALL
Chevrolet C2500 Suburban
1999 Chevrolet C2500 Suburban ALL
1998 Chevrolet C2500 Suburban ALL
1997 Chevrolet C2500 Suburban ALL
1996 Chevrolet C2500 Suburban ALL
Chevrolet C3500
1999 Chevrolet C3500 ALL
1998 Chevrolet C3500 ALL
1997 Chevrolet C3500 ALL
1996 Chevrolet C3500 ALL
Chevrolet Express 3500
1999 Chevrolet Express 3500 ALL
1998 Chevrolet Express 3500 ALL
1997 Chevrolet Express 3500 ALL
1996 Chevrolet Express 3500 ALL
Chevrolet K2500
1999 Chevrolet K2500 ALL
1998 Chevrolet K2500 ALL
1997 Chevrolet K2500 ALL
1996 Chevrolet K2500 ALL
Chevrolet K2500 Suburban
1999 Chevrolet K2500 Suburban ALL
1998 Chevrolet K2500 Suburban ALL
1997 Chevrolet K2500 Suburban ALL
1996 Chevrolet K2500 Suburban ALL
Chevrolet K3500
1999 Chevrolet K3500 ALL
1998 Chevrolet K3500 ALL
1997 Chevrolet K3500 ALL
1996 Chevrolet K3500 ALL
Show All Vehicle Fitments
Return Policy
Returns are easy at THMotorsports
Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy