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Looking for aftermarket parts to modify or upgrade your 1990 GMC S15 with rocker arms? At Tunersports.com we carry a huge selection of the top name brand performance rocker arm parts and accessories.
 IN STOCK - DROPSHIPS 1617-12Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arms CS 1.52 3/8 Ultra P 1988-1990 GMC S15 Base / High Sierra / Sierra Classic $401.18 |
 OUT OF STOCK 1618-12Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity ... COMP Cams Rocker Arms CS 1.6 3/8 Ultra P 1988-1990 GMC S15 Base / High Sierra / Sierra Classic $402.15 |
 IN STOCK - DROPSHIPS 1216-12These COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for 1980-95 Chevy 6 cylinder 173-207 Applications feature a 3/8" Stud diameter and 1.5 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a lo... COMP Cams Hi-Energy Rockers Chevy SB 1. 1982-1990 GMC S15 Base / High Sierra / Sierra Classic $156.54 |
 OUT OF STOCK 1216-1This COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for 1980-95 Chevy 6 cylinder 173-207 Applications features a 3/8" Stud diameter and 1.5 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a lon... COMP Cams Hi-Energy Rocker Arm Chevy SB 1982-1990 GMC S15 Base / High Sierra / Sierra Classic $38.98 |