GSC has also adjusted the keeper groove to properly balance intake and exhaust spring pressures to reduce the use of valve spring shims and maximize performance from GSC spring and retainer kits
52mm) 5 Layers C4233-060 C4234-060 C4235-060
The seat track set allows you to adjust the seat position by sliding forward and backward
it is NOT being suggested as a track material due to the longer bedding in process required
00 For street/strip and track using E85 or similar blend fuels
DBA 5000 XS 2-Piece Drilled Slotted Rotor for Subaru WRX/STi Walbro GSC has also adjusted theDBA 5000 Series XS, two piece, slotted and drilled rotor with black or gold hat for Subaru WRX and STi models. Only front rotors are available in this series. Recommended for high performance street vehicles, track day, club racing, rally and show. Sold individually, price is for ONE rotor. Vehicle Fitment: Subaru WRX and STi Front Sold individually, price is for ONE rotor Please adjust quantity as needed Model Year: Fitment: Black: Gold: STi 2004