Comp Cams- Xtreme Energy Camshafts -LS1/LS6-Engines

   

COMP Cams 54-412-11 - COMP Cams Xtreme RPM Camshafts

Comp Cams, steel hydraulic roller Xtreme Camshafts are designed to increase horsepower and to extend the rpm range of GenIII LS1 and LS6 350 ci engines

* cams require computer modifications +112° lobe separation

LS1-XR665HR-14 – Camshaft, Hydraulic Roller Tappet, Advertised Duration 265/271, Lift .522/.529, Chevy, Small Block, LS1/LS6  *

Cam Style:Hydraulic roller tappet

Basic Operating RPM Range:1,200-6,000

Intake Duration at 050 inch Lift:212

Exhaust Duration at 050 inch Lift:218

Duration at 050 inch Lift:212 int./218 exh.

Advertised Intake Duration:265

Advertised Exhaust Duration:271

Advertised Duration:265 int./271 exh.

Intake Valve Lift with Factory Rocker Arm Ratio:0.522 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio:0.529 in.

Valve Lift with Factory Rocker Arm Ratio:0.522 int./0.529 exh.

Lobe Separation (degrees):114

Computer-Controlled Compatible:No
LS1-XR268HR-14 – Camshaft, Hydraulic Roller Tappet, Advertised Duration 269/273, Lift .525/.532, Chevy, Small Block, LS1/LS6 *
Cam Style:Hydraulic roller tappet

Basic Operating RPM Range:1,300-6,300

Intake Duration at 050 inch Lift:216

Exhaust Duration at 050 inch Lift:220

Duration at 050 inch Lift:216 int./220 exh.

Advertised Intake Duration:269

Advertised Exhaust Duration:273

Advertised Duration:269 int./273 exh.

Intake Valve Lift with Factory Rocker Arm Ratio:0.525 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio:0.532 in.

Valve Lift with Factory Rocker Arm Ratio:0.525 int./0.532 exh.

Lobe Separation (degrees):114

Computer-Controlled Compatible:No
LS1- XR275HR-12 – Camshaft, Hydraulic Roller Tappet, Advertised Duration 275/277, Lift .566/.568, Chevy, Small Block, LS1/LS6
Cam Style:Hydraulic roller tappet

Basic Operating RPM Range:1,800-6,800

Intake Duration at 050 inch Lift:222

Exhaust Duration at 050 inch Lift:224

Duration at 050 inch Lift:222 int./224 exh.

Advertised Intake Duration:275

Advertised Exhaust Duration:277

Advertised Duration:275 int./277 exh.

Intake Valve Lift with Factory Rocker Arm Ratio:0.566 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio:0.568 in.

Valve Lift with Factory Rocker Arm Ratio:0.566 int./0.568 exh.

Lobe Separation (degrees):112

Computer-Controlled Compatible:No
LS1- XR273HR-14 – Camshaft, Hydraulic Roller Tappet, Advertised Duration 273/279, Lift .581/.588, Chevy, Small Block, LS1/LS6 *
Cam Style:Hydraulic roller tappet

Basic Operating RPM Range:2,000-7,000

Intake Duration at 050 inch Lift:224

Exhaust Duration at 050 inch Lift:230

Duration at 050 inch Lift:224 int./230 exh.

Advertised Intake Duration:273

Advertised Exhaust Duration:279

Advertised Duration:274 int./279 exh.

Intake Valve Lift with Factory Rocker Arm Ratio:0.581 in.

Exhaust Valve Lift with Factory Rocker Arm Ratio:0.588 in.

Valve Lift with Factory Rocker Arm Ratio:0.581 int./0.588 exh.

Lobe Separation (degrees):114

Computer-Controlled Compatible:No