Comp Cams Camshaft, LS1 277LrR HR-113 High-Performance Engines Sierra Classic 1987 - 1991

Sierra Classic 1987 - 1991 GMC R1500 Suburban Base 1987 GMC R1500 Suburban High Sierra 1987 - 1989 GMC R1500 Suburban Sierra Classic 1990 GMC R1500 Suburban SLE 1987 - 1989 GMC R2500 Sierra Classic

no-drill fitment with no permanent modification required to the factory front grille assembly

Complete fog light assembly with integrated switch and chrome trim ring

This is the ultimate N1 exhaust system

Ferodo FCP0732 Operating Temperature Comparison Chart

Comp Cams Camshaft, LS1 277LrR HR-113 High-Performance Engines Sierra Classic 1987 - 1991The camshaft comes with hydraulic lifters, assembly lube and full instructions. It features smooth idling cams for daily drivers, trucks or vans. Competition Cams a trusted industry leader Backed by manufacturer's Warranty Great Performance Enhance your vehicle Specifications Title: 54 454 11 CamShaft, LS1 277LrR HR 113 Usage: Street Strip Engine Make Size: Chevy 364 LS2 RPM Range: 1900 7000 Exh. Duration @ . 050 in. (Deg): 243 Exh. Duration