[rontiac]

Thought this may be of help for some. From Comps website listing:

Xtreme Energy 236/242 Hydraulic Roller Cam for Pontiac 265-455
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Xtreme Energy™ 236/242 Hydraulic Roller Cam for Pontiac 265-455. Needs 9.5:1 compression, lower gears and a 2800+ stall. Rough idle.


Engine Family:Pontiac 265-455 c.i. 8 Cyl. (1955-1981)
RPM Operating Range:2,200-6,000
Grind Number:XR288HR
Cam Type:Hydraulic Roller
Lifter Style:Hydraulic Roller
Camshaft Series:Xtreme Energy
Usage:Street/Performance
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration:288
Advertised Exhaust Duration:294
Intake Duration at .050 Inch Lift:236
Exhaust Duration at .050 Inch Lift:242
Intake Valve Lift:0.52
Exhaust Valve Lift:0.54
Lobe Separation:110
Camshaft Gear Attachment:1-Bolt