Manley Valve Spring, SPRING-1.500 DOUBLE 2001 pontiac firebird Custom heat treated Chromoly High

Custom heat treated Chromoly High Misalignment Studs connect to the sway bar and offer extreme articulation capability (65deg) to prevent the endlink from binding when used with different adjustment holes on aftermarket sway bars

All BBK mid pipes feature ball and socket style connectors for simple installation and adjustment for good ground clearance

Combine this with soft bushings that have massive amounts of deflection

Kit is a direct bolt in with no modifications required

Manley Valve Spring, SPRING-1.500 DOUBLE 2001 pontiac firebird Custom heat treated Chromoly HighFrom 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.