Manley Valve Spring, SPRING-1.620 DOUBLE 1989 This coolant expansion / fill

This coolant expansion / fill tank offers a stronger and better looking option over the stock 2011-UP V8 Mustang coolant tank

where a canister type oil filled can coil is preferred

This B&M® momentary switch has a large red mushroom cap button that's easy to see and hold

and a smooth body designed for motorsports applications

making it a great upgrade for both street and drag applications

Manley Valve Spring, SPRING-1.620 DOUBLE 1989 This coolant expansion / fillFrom 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.