Manley Pushrod, P/ROD-SBC 4130 3/8 STK Rhodesian Chest Rig then compressed and the CNC

then compressed and the CNC load cell measures the force for a variety of spring lengths

Typically one fill will last all season

262824 - 1970-1981 GM F-Body Leaf Spring Traction Bars with Mounts

Where most competitors use

Note: Small block motors and certain big block engines with aluminum heads/intake should sit level

Manley Pushrod, P/ROD-SBC 4130 3/8 STK Rhodesian Chest Rig then compressed and the CNCManley 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