GSC Power-Division High Pressure Beehive Spring Set with Titanium Retainer for all 4G63s (gsc5041) ORings_&_Crush_Washers Dyno-Proven Gains up to +12

Dyno-Proven Gains up to +12 HP & +15 Lbs

HPS Ultra High Temp 4-ply Aramid Reinforced Fluoro-lined Silicone Boots

5 Turbo Description_ASM Rear S8K FMSI D1004 2003 thru 2005 SUBARU Impreza 2

A new low profile DW Fuel Pulsation Damper (FPD) has been released

GSC Power-Division High Pressure Beehive Spring Set with Titanium Retainer for all 4G63s (gsc5041) ORings_&_Crush_Washers Dyno-Proven Gains up to +12The GSC Power Division Beehive Valve Spring Kit with Ti retainer for all 4G63s includes 16 titanium retainers and 16 beehive valve springs. This set can be used for EVO 1 7 & EVO 8 9 if you are looking to replace the OEM retainers. Our beehive spring is made with an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilites. These springs have the highest level of spring load retention while still maintaining