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Looking for aftermarket parts to modify or upgrade your GMC K25 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 1219-16These nitrided COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for 1965-87 Chevy 396-454 Applications feature 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 lon... COMP Cams Rocker Arm Hi-Energy CB 1.7 N 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $218.72 |
 IN STOCK - DROPSHIPS 1261-12These COMP Cams High Energyâ„¢ Steel Stud Mount Rocker Arms designed for 1962-84 Chevy 6 cylinder 194-292 Applications feature a 3/8" Stud diameter and 1.75 ratio. High Energyâ„¢ Rockers help eliminate the noise and slop associated with older worn and high mileage stock Rocker arms. With a l... COMP Cams Hi-Energy Rocker Arms C60 1.7 1975-1976 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande 1978-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $121.78 |
 OUT OF STOCK 1620-16Ultra 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 CB 1.7 7/16 Ultra 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $532.36 |
 OUT OF STOCK 1620-8Ultra 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 CB 1.7 7/16 Ultra 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $277.74 |
 OUT OF STOCK 1629-16Ultra 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 Arms348/409 Chevy 1.7 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $534.28 |
 IN STOCK - DROPSHIPS 1629-8Ultra 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 Arms348/409 Chevy 1.7 1976-1978 GMC K25 Base / High Sierra / Sierra Classic $277.74 |
 OUT OF STOCK 19021-16The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arms Ultra Gold Arc BB 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $440.74 |
 IN STOCK - DROPSHIPS RPM1416-167.800" Length... COMP Cams Rocker Arm/Pushrod Kit CS Mag 1977-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $386.73 |
 IN STOCK - DROPSHIPS 1620-1Ultra 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 Arm CB 1.7 7/16 Ultra 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $58.52 |
 IN STOCK - DROPSHIPS 1629-1Ultra 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 Arm348/409 Chevy 1.7 U 1976-1978 GMC K25 Base / High Sierra $58.52 |
 IN STOCK - DROPSHIPS 17021-1These High Energyâ„¢ Die Cast Aluminum Roller Rocker Arms for Chevy V8 396-454 Applications are perfect for street and moderate Race use. With a 7/16" Stud diameter and 1.7 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 BBC 1 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $48.86 |
 IN STOCK - DROPSHIPS 19021-1The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature... COMP Cams Rocker Arm Ultra Gold Arc BBC 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $52.72 |