Manley Valve Spring, SPRING-1.620 DOUBLE 2011 Ford Mustang this bar is a lighter

this bar is a lighter and stronger alternative to the factory option

- 850 lb/in race-proven spring rates for outstanding handling

BMRs DSL012 Driveshaft Safety Loop bolts-on using OE mounting holes on the DTB002

these brackets optimize vehicle traction and handling

Manufactured from heavy-duty 1x2-inch

Manley Valve Spring, SPRING-1.620 DOUBLE 2011 Ford Mustang this bar is a lighterFrom 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.