Manley Valve Spring, SPRING-1.650 DOUBLE 1996-pontiac-firebird-esi1593369 Kit does include new lock

Kit does include new lock nuts for the shock mount bolt

a minimum weight reduction of over 30 pounds is common

Lowering springs are not only a great way to add an aggressive look to your 1st-Gen F-body

Dedenbear ABL tubing is perfect for completing or modifying your CO2 accessories installation or for keeping as a spare on the trailer for when the unexpected happens

Sway bars are UMI’s tried and true 1-1/4” front and 1” rear for a great front to rear handling balance

Manley Valve Spring, SPRING-1.650 DOUBLE 1996-pontiac-firebird-esi1593369 Kit does include new lockFrom drag strips to short track and endurance circuits, the Manley NexTek series is engineered for serious racers. NexTek springs resist pressure loss and valve train degradation even in the most demanding race conditions. That means more consistent spring force deep into a run, reduced valve bounce, and improved overall stability for high RPM performance. Built to outperform and outlast in real world competition.