Made from SAE 8620 chromemoly Steel - Rocker bodies are heat-treated to obtain maximum strength and stiffness - Unique oil system lubricates all critical parts for long lasting service. - Big Block...

Made from SAE 8620 chromemoly Steel - Rocker bodies are heat-treated to obtain maximum strength and stiffness - Unique oil system lubricates all critical parts for long lasting service. - Big Block...

Heavy-duty, heat-treated true double Roller timing chain. Ideal for mild street performance applications. This heat-treated double row chain replaces the chain that comes with our Magnum 2118 timing...

Heavy-duty, heat-treated true double Roller timing chain. Ideal for mild street performance applications. This heat-treated double row chain replaces the chain that comes with our Magnum 2110 timing...

Replacement Timing Chain for 2100 and 2136 Magnum Timing Sets This heat-treated double row chain replaces the chain that comes with our 2100 timing set for '78-'86 Chevrolet 200-262 V6 and '66-'91...

Heavy-duty, heat-treated true double Roller timing chain. Ideal for mild street performance applications. This heat-treated double row chain replaces the chain that comes with our Magnum 2104 timing...

Replacement Timing Chain for 2120, 2131, 2135 and 2138 Magnum Timing Sets This heat-treated double row chain replaces the chain that comes with our Magnum 2120, 2131, 2138 and 2135 timing sets for...

Heavy-duty, heat-treated true double Roller timing chain. Ideal for mild street performance applications. This heat-treated double row chain replaces the chain that comes with our Magnum 2121 timing...

and Ford V8 429-460 Applications is the ultimate street Rocker. With a 7/16" Stud diameter and 1.72 ratio, it is designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are...

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 1.6 ratio, they are designed for Serious performance...

This Magnum Roller Rocker Arm for Chevy V8 265-400 and V6 200-262 Applications is the ultimate street Rocker. With a 3/8" Stud diameter and 1.6 ratio, it is designed for Serious performance...

173 Applications is the ultimate street Rocker. With a 10mm Stud diameter and 1.52 ratio, it is designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620...