COMP Cams Camshaft LS1 281Lr HR-113 - 54-459-11

LSR Cathedral Port 231/239 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)

Very wide power range and excellent mid-range torque for LS engines with cathedral port cylinder heads.

Hydraulic Roller: Very wide power range and excellent midrange torque for LS engines with cathedral port cylinder head.

• 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.