Looking for aftermarket parts to modify or upgrade your GMC R2500 with rocker arms? At Tunersports.com we carry a huge selection of the top name brand performance rocker arm parts and accessories.

OUT OF STOCK 1617-16Ultra 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 CS1.52 3/8 Ultra P 1988-1989 GMC R2500 Base / High Sierra / Sierra Classic $527.54 |
OUT OF STOCK 1618-16Ultra 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 1988-1989 GMC R2500 Base / High Sierra / Sierra Classic $528.50 |
OUT OF STOCK RPE1418-12COMP Cams Rocker Arm/Pushrod Kit Magnum 1987-1987 GMC R2500 Base / High Sierra / Sierra Classic $214.08 |

IN STOCK - DROPSHIPS 1418-8These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 Applications are the ultimate street Rocker. With a 3/8" Stud diameter and 1.6 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superi... COMP Cams Magnum Roller Rockers Chevy S 1987-1989 GMC R2500 Base / High Sierra / Sierra Classic $134.99 |
OUT OF STOCK 17002-12These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V6 200-262 Applications are perfect for street and moderate Race use. With a 3/8" Stud diameter and 1.6 ratio, the die cast, larger-than-stock body of the Rocker arms is made of aluminum for superior strength with light overall ... COMP Cams High Energy Alum Rocker SBC 1. 1987-1989 GMC R2500 Base / High Sierra / Sierra Classic $263.26 |

IN STOCK - DROPSHIPS 1219-1This nitrided COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arm designed for 1965-87 Chevy 396-454 Applications features a 7/16" Stud diameter and 1.7 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a long... COMP Cams Rocker Arm Hi-Energy CB 1.7 N 1987-1987 GMC R2500 Base / High Sierra / Sierra Classic $39.80 |