LSR Rectangular Port 239/255 Hydraulic Roller Cam for GM LS GEN III/IV

$515.95

HYDRAULIC ROLLER-Broad top end power range for high rpm, race only LS engines with aftermarket rectangular port cylinder heads & higher compression.

In stock

SKU

54-471-11

More Information
UPC	036584195337
Manufacturer	COMP Cams®
Emissions Code
Engine Family	GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range	2,400-7,200
Cam Type	Hydraulic Roller
Camshaft Series	LSR Rectangular Port All Out Power
Camshaft Gear Attachment	3-Bolt
Usage	Strip
California Proposition 65	WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration	289
Advertised Exhaust Duration	305
Intake Duration at .050 Inch Lift	239
Exhaust Duration at .050 Inch Lift	255
Intake Valve Lift	0.624
Exhaust Valve Lift	0.624
Lobe Lift Intake	0.367
Lobe Lift Exhaust	0.367
Lobe Separation	114
Intake Centerline	110
Valve Timing Lift	0.006
Exhaust Close ATDC	35
Intake Open BTDC	34
Exhaust Open BBDC	89
Intake Close ABDC	75
Lifter Style	Hydraulic Roller

Recommended Components
Component	Part Number
Break-In Lube	159

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