COMP Cams Camshaft LS1 289Lrr HR-114 - 54-471-11

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

Application: Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

Broad top end power range for high RPM, race only LS engines with aftermarket rectangular port heads and higher compression.

Hydraulic Roller: Broad top end power range for high rpm, Race only LS engines with aftermarket rectangular port cylinder heads and higher compression.

• Feature higher exhaust duration and overall lift to provide broadest powerband and most top-end power of any COMP Cams LS camshaft.
• Require 26926-16 high-load valve springs.
• Take advantage of today's newer and better flowing aftermarket cylinder heads.
• Unique grinds for both cathedral and rectangle port heads.
• Require 26926-16 high-load valve springs.
• Take advantage of today's newer and better flowing aftermarket cylinder heads.
• Feature higher exhaust duration and overall lift to provide broadest powerband and most top-end power of any COMP Cams LS camshaft.
• Unique grinds for both cathedral and rectangle port heads.