COMP CAMS
COM-12-653-5

COMP CHEVY V8 (262-400) - XTREME OVAL TRACK SOLID

These camshafts use COMP's new XTQ intake profiles with the XTX exhaust profiles for more area under the curve.

 

 

These camshafts use COMP's new XTQ intake profiles with the XTX exhaust profiles for more area under the curve that most good .875" lifter designs, while still allowing standard .842" lifters. The COM-12-653-5 & COM-12-657-5 are best on 1/4 to 3/8 mile tracks. The COM-12-658-5 is best on 3/8 to 1/2 mile tracks. Best in 360+ ci 12:1 motors with 4 bbl and good intake and exhaust. The COM-12-653-5 is best with 327-358 ci 11:1 motors with a 2 bbl a good intake and exhaust. The COM-12-657-5 is best with 327-358 ci 12:1 motors with a 4 bbl a good intake and exhaust. Uses the COM-950-16 valve springs.

 PART NUMBER  DESCRIPTION

COM-12-653-5

 282XOS Grind, 3200-7200RPM, 252 Dur. @ .050, 282 Ad Dur.106 Lobe Sep., 540 Valve Lift, .016 V-Lash

COM-12-657-5

 286XOS Grind, 3200-6900RPM, 256 Dur. @ .050, 286 Ad Dur.106 Lobe Sep.,549 Valve Lift, .016 V- Lash

COM-12-658-5

 290XOS Grind, 3400-7200RPM, 260 Dur. @ .050, 290 Ad Dur.106 Lobe Sep. 558 Valve Lift, .016 V- Lash