Toyota 86 4U-GSE / Subaru FA20 Valve Spring Set KVS86 Category_Valves Stud Specifications:

Stud Specifications:

the only downside to this is if you're running two of these pumps you will need separate check valves

This increased working surface area ensures greater mechanical advantage and provides the broadest possible boost curve with improved

Suits high RPM

3 Secondary rods included to ensure fitment to all B1 & B2 single & twin scroll EFR’s

Toyota 86 4U-GSE / Subaru FA20 Valve Spring Set KVS86 Category_Valves Stud Specifications:68lb seat pressure. 166lb at 11. 5mm lift. TOYOTA 4U GSE SUBARU FA20. 68lb seat pressure at 32. 6mm installed height using OEM retainer and base. 166lb at 11. 5mm lift. Maximum lift is 13. 0mm.