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Part number: 11-444-8
Competitor Pricing
Product Details
Comp Cams 11-444-8 Xtreme Energy Camshaft
Products specifications
Advertised Duration 300 int./306 exh.
Advertised Exhaust Duration 306
Advertised Intake Duration 300
Basic Operating RPM Range 3,200-6,200
Cam Style Hydraulic roller tappet
Computer-Controlled Compatible No
Duration at 050 inch Lift 248 int./254 exh.
Exhaust Duration at 050 inch Lift 254
Exhaust Valve Lash 0.000 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio 0.580 in.
Grind Number CB XR300HR-10
Intake Duration at 050 inch Lift 248
Intake Valve Lash 0.000 in.
Intake Valve Lift with Factory Rocker Arm Ratio 0.560 in.
Lobe Separation (degrees) 110
Notes Requires thrust button and wear plate.
Quantity Sold individually.
Valve Lift with Factory Rocker Arm Ratio 0.560 int./0.580 exh. lift
Valve Springs Required Yes
Title 11-444-8 CamShaft, CB XR300HR-10
Engine Make/Size Chevy Big Block (396-454)
RPM Range 3000-9000
Usage Street/Performance
Exh. Duration @ .050 in. (Deg) 254
Exh. Duration Advertised (Deg) 306
Exhaust Valve Lift (in.) 0.58
Int. Duration @ .050 in. (Deg) 248
Int. Duration Advertised (Deg) 300
Intake Valve Lift (in.) 0.560
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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A
First of all, I can not believe how fast I recieved my order, 2 DAYS! Best of all, the instructions made it easy for a non mechanic like me to install.
K
They were Very quick and i was very happy with the service i got!! 9-10*
G
It was easiest and most responsible order I have ever experienced, and I am looking forward to do all my orders in future with your Co. Thanks autoplicity.
K
That was quick, I just hope I get the CORRECT part as hassle free and in the time I paid for.
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