Manley Pushrod, P/ROD-4130 3/8 8.200 1990-pontiac-firebird-esi3548487 This dual out American Thunder

This dual out American Thunder cat-back exhaust system is the perfect choice with a 2

This system use a larger 4

A perfect sealing surface is assured with the 5/16" machined flanges

Satisfies performance requirements of GM 1052358

this comprehensive kit elevates your vehicle's handling and responsiveness to new heights

Manley Pushrod, P/ROD-4130 3/8 8.200 1990-pontiac-firebird-esi3548487 This dual out American ThunderManley 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