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Part number: 11-408-8
Competitor Pricing
Product Details
Comp Cams 11-408-8 Xtreme Energy Camshaft
Products specifications
Advertised Duration 258 int./264 exh.
Advertised Exhaust Duration 264
Advertised Intake Duration 258
Basic Operating RPM Range 1,000-5,000
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 206 int./212 exh.
Exhaust Duration at 050 inch Lift 212
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.510 in.
Grind Number XR258HR
Intake Duration at 050 inch Lift 206
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.510 in.
Lobe Separation (degrees) 110
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.510 int./0.510 exh. lift
Valve Springs Required Yes
Title 11-408-8 CamShaft, CB XR258HR-10
Engine Make/Size Chevy Big Block (396-454)
RPM Range 1000-7000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 212
Exh. Duration Advertised (Deg) 264
Exhaust Valve Lift (in.) 0.51
Int. Duration @ .050 in. (Deg) 206
Int. Duration Advertised (Deg) 258
Intake Valve Lift (in.) 0.510
Lifter Type Hydraulic Roller
  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 1 Year Limited Warranty
Reviews
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D
a1 - but I don't see the passenger side roof ledge molding.  51-13-1-977-681
N
Called the support line and they were every helpful to clarify the shipping process of my order.
W
great experience, good price, item arrived within 4 days of purchase, would do business with again in future !
C
By far the best price I could find around.  My order shipped within 2 days.  I'll definitely use Autoplicity again.
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