Manley Pushrod, P/ROD-4130 5/16 +.650 Caliente Rear bump stops are sold

Rear bump stops are sold as a pair

Magnum 230/230 Hydraulic Flat Cam for Chevrolet Big Block 396-454

5L has an inherent design flaw where not all of the OE stud locations are utilized by the OE manufacturer which leads to warped exhaust manifolds

bind-free performance

Both are made of Seamless DOM mild steel tubing for added strength over aluminum versions

Manley Pushrod, P/ROD-4130 5/16 +.650 Caliente Rear bump stops are soldManley Performance Pushrods are engineered to deliver uncompromising strength, stiffness, and valvetrain stability in todays high performance engines. Manufactured from premium materials and precision heat treated for maximum durability, Manley pushrods are designed to resist deflection under high spring loads and extreme RPM conditions. Consistent wall thickness and exacting tolerances ensure reliable valve timing and long term performance in both