Throughout the 1970s, legendary racers such as Don Garlits, Bill Jenkins, Joe Mondello, and “Jungle Jim” Liberman equipped their vehicles with Manley components. Manley Subaru WRX/STi. 490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each).
Manley 60lb Valve Springs & Titanium Retainer Kit Fits WRX EJ205 EJ255 STi EJ257
Manley 42370 15 Valve O.D. Spring Cups For 221443 Valve Springs
Manley 22410-16 Professional Series Valve Springs 1.260" .550" Lift Oval Track
16 PSI POLISHED 1.460" O.D. Valve Springs & 16 Manley ICD Titanium Retainers
Manley 221424-16 NexTek Series Drag Race Valve Springs 1.640" .880" Lift Set 16
Manley 221442 -16 Valve Springs NexTek Dual Spring 1.560 O.D.