1993 Pontiac Sunbird Performance Engines

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

The original Ultra-Gold Aluminum Rockers changed the way racing and high performance street engine builders approached valve train design. Now, COMP Cams is revolutionizing valve train performance again with the next generation of Ultra-Gold ARC Series Al

Product Features:

• Precision-sorted trunnion bearings withstand valve spring pressure up to 700 lbs.
• CNC-machined, lightweight design removes weight and yields unrivaled quality and ratio accuracy
• Increase engine power, enhance valve train stability and improve oiling
• Designed for high performance street and race engines
• Arced channel & contoured top give the rockers the best strength to weight ratio possible

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

These High Energy Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 applications are perfect for street and moderate race use. With a 3/8″ stud diameter and 1.5 ratio, the die cast, larger-than-stock body of the rocker arms is made of aluminum for superior strength with light overall weight. High Energy Die Cast Aluminum Roller Rocker Arms from COMP Cams are an affordable option that feature a die cast, aluminum body with a needle bearing fulcrum and roller tip. Designed to be stiffer and more durable, these cost effective rocker arms are capable of providing added valve lift while withstanding the rigors of a performance application. Their specially engineered fulcrum and roller tip create far less friction than sliding factory models to lower oil temperatures, thus improving both response and horsepower. Snap rings are used to hold the trunion and bearings locked in place..

Product Features:

• Cost effective aluminum construction provides superior strength to weight ratio
• Needle bearing fulcrum and roller tip reduce friction and lower oil temperatures for improved response and horsepower
• Durable design increases valve lift while withstanding the rigors of moderate race use
• Die-formed aluminum body is larger than stock, and may require modifications to stock valve covers for clearance.

These COMP Cams Ultra-Gold Aluminum Roller Rocker Arms with a 3/8″ stud diameter and 1.6 ratio are designed for Chevrolet V8 265-400 applications. The new modern design features of these Ultra-Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra-Gold Aluminum Rocker Arms are precision CNC-machined to strict tolerances. Developed to meet the demands of professional engine builders, these rockers include features never before possible in an aluminum rocker arm.

Product Features:

• CNC-machined, lightweight design removes weight and yields unrivaled quality and ratio accuracy
• Designed for high performance street and race engines
• Precision-sorted trunion bearings withstand elevated valve spring pressure and valve lift
• Additional clearance, up to 1.650″ O.D. valve spring