Subaru OEM Stock Size Piston Ring WRX EJ255 & STi EJ257 NGK Plugs Aggressive rates and valving are

Aggressive rates and valving are chosen for maximum handling and performance with acute reaction and responsiveness

The Full Billet S2 cams are designed for those with more power in mind or a larger turbo

This is the OEM 11mm STI oil pump for Subaru 2

Style Tuning Color Black Material Leather Spoke Finish Silver Ring/Pad Leather Stitch Black Horn Black Diameter 13

Subaru OEM Stock Size Piston Ring WRX EJ255 & STi EJ257 NGK Plugs Aggressive rates and valving arePart #: SUB 12033ab340 Subaru OEM Stock Size Piston Ring Set Fitment: Will Fit 2. 5 WRX EJ255 & 2. 5 STi EJ257 Warranty Disclaimer: Subaru of America will only warranty parts installed on a car that has a matching VIN to that part. Warranty Disclaimer: Subaru of America will only warranty parts installed by a CERTIFIED Subaru Dealership. The part being installed must also match the vehicle VIN. IE If you install an STi block in a WRX at your friends