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Ported / Assembled Head Package GSC Viton Valve Stem Seal Set 02-14 WRX / 04-17 STI GSC OEM Replacement Valve Spring Seats 02-14 WRX / 04-17 STI
Contact us for pricing.

417-838-7927
Sold as a set of 16 Sold as a set of 16
GSC Traditional Exhaust Valve Guide Set 02-14 WRX / 04-17 STI GSC Exhaust Valve Guide With Depth Stopper 02-14 WRX / 04-17 STI GSC Traditional Intake Valve Guide Set 02-14 WRX / 04-17 STI
Sold as a set of 8 Depth Stopper Style Sold as a set of 8
GSC Intake Valve Guide With Depth Stopper 02-14 WRX / 04-17 STI Tomei High Performance Valve Set 02-14 WRX / 04-17 STI Brian Crower Spring / Titanium Retainer Kit 02-14 WRX / 04-17 STI
Depth Stopper Style Does not include retainers
Single Spring/Titanium Retainer
GSC Turbo Series Valve Springs w/ Titanium Retainers 02-14 WRX / 04-17 STI Manley Valve Springs w/Titanium Retainers 02-14 WRX / 04-17 STI Supertech Valve Spring/Retainer/Seat Set 02-14 WRX / 04-17 STI
Made in USA Includes springs and retainers Includes springs, retainers, seats
GSC Beehive Valve Springs w/Titanium Retainers 02-14 WRX / 04-17 STI Defined Performance Ported / Polished Bolt On Cylinder Heads - Subaru models
Made in USA Comes fully assembled