1978 GMC G25 Performance Engine Rocker Arms

These 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 1.52 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed

Product Features:

• Roller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve lift
• For applications with less than 350 lbs. of open spring pressure
• Constructed from 8620 chromemoly steel, a superior material that will not flex and ensures maximum lift
• Ultimate street roller rocker arm designed for serious performance enthusiasts

Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:

• Black Oxide Coated Grade 8 Steel
• Kit Contains 16 Studs
• Easy To Install
• Heat Treated Steel
• Prevents Stud Flexing
• Black Plated Finish

Mr. Gasket screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street applications. OE style press in rocker studs can actually pull out of the cylinder head when using high lift camshafts.

Product Features:

• Black Oxide Coated Grade 8 Steel
• Kit Contains 16 Studs
• Easy To Install
• Heat Treated Steel
• Grade 8 Steel

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, these rockers fit Chevrolet Small Blocks with a 7/16″ diameter stud.

Product Features:

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, these rockers fit Chevrolet Small Blocks with a 3/8″ diameter stud.

Product Features:

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, these rockers fit Chevrolet Small Blocks with a 3/8″ diameter stud.

Product Features:

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

Magnum 1.52 Rocker and HE Pushrod Kit for Chevrolet 262-400 Small Block

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. These 1.6 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 7/16″ stud.

Product Features:

Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. These 1.52 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 3/8″ stud.

Product Features:

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. These 1.6 ratio rockers fit SBC intake valves with a Twisted Wedge Head and a 3/8″ stud.

Product Features:

With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, these rockers fit Chevrolet 265-400 Small Blocks w/ 7/16″ studs.

Product Features:

Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:

Four decades after its founding, COMP Cams keeps its focus on producing the highest-performing products possible, providing superior customer service and leading the industry in technological development. That commitment continues to resonate with racers, engine builders and enthusiasts worldwide, making COMP Cams the preferred choice for valve train components. COMP Cams is unrivaled thanks to its engineering staff – the largest and most highly trained in the performance aftermarket industry – sophisticated manufacturing processes, expert technicians and real-world testing on the track and street. The company’s integration of research, engineering and development, coupled with the free technical assistance it offers customers, makes it the Absolute Leader in Valve Train Technology.

Product Features:

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. This 1.52 ratio rocker fits SBC intake valves with a Twisted Wedge Head and a 7/16″ diameter stud.

Product Features:

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, this rocker fits Chevrolet Small Block and V6 with a 7/16″ diameter stud.

Product Features:

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, this rocker fits Chevrolet Small Block and V6 with a 7/16″ diameter stud.

Product Features:

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. This 1.52 ratio rocker fits SBC intake valves with a Twisted Wedge Head and a 3/8″ diameter stud.

Product Features:

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. This 1.6 ratio rocker fits SBC intake valves with a Twisted Wedge Head and a 3/8″ diameter stud.

Product Features:

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8″ diameter stud.

Product Features:

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8″ diameter stud.

Product Features:

With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 7/16″ stud.

Product Features:

With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 3/8″ stud.

Product Features:

With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.5 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 7/16″ stud.

Product Features:

With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.5 ratio, this rocker fits Chevrolet 265-400 Small Block w/ a 3/8″ stud.

Product Features: