Description
If your car will see more frequent track use
2 year Limited Warranty
Part Number: BMF55Z
ARP head studs are manufactured to such exacting tolerances
Part #: HB452Z
Ferrea Valve Spring Titanium Retainer (16.51mm) Subaru WRX / STI EJ25 2004-2021 (QTY 16) Vehicle Model_WRX STI If your car will seePart #: E11065 SUBARU IMPREZA WRX STI (2004 2017) TITANIUM RETAINER Valve Stem Size: 6 mm Diameter (A): 25. 40 mm Inn Step Diameter (C): 16. 51 mm References: Double Spring 6 deg Pro CNC Ferrea Valve Lock # K10074
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























