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adding strength to the entire rear chassis and suspension
Dial in the exact style you want in minutes with the included spanner wrench
The CBK764s heavy-duty construction eliminates vertical link bushing flex
non-adjustable and sport valving options
Manley Valve Spring, SPRING-1.640 DOUBLE 2001-ford-f-150-esi1856872 adding strength to the entireFrom 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.
