Triple drag racing Springs. Will also work with Chevy/Ford/Chrysler drag racing engines. This set will work for a big block Chevy engine.
Ferrea KT4035 fits Acura K20 High Lift Drag Racing Dual Spring Kit
Ferrea KT4004 fits Acura K20 Drag Racing Dual Spring Kit
New Iskenderian Racing Valve Spring Set for V-8 #9365 Inner, Outer & Negator
Iskenderian Racing Valve Spring Set for V-8 #9365 Inner, Outer & Negator
16 Racing Valve Spring Seat Locators 1.580" O.D.-1.032" Locator -.550" I.D.