Manley Valve Spring, SPRING-1.580 DOUBLE 2007 Ford Mustang UMI’s Street Performance tubular upper

UMI’s Street Performance tubular upper A-arms improve stability and steering with added caster

and road race) where engine deflection needs to be reduced and additional clearance is required

and swap a Small-Block or Big-Block Chevy engine into your F-body with a Tubular K-members from BMR Suspension

while isolating much of the engine vibration from the vehicles occupants

Manley Valve Spring, SPRING-1.580 DOUBLE 2007 Ford Mustang UMI’s Street Performance tubular upperFrom 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.