ACT XACT Streetlite Flywheel for 06+ WRX EJ255 CAN & Tuning Cables the OE merge collectors are

the OE merge collectors are made specifically with ease of manufacturing in mind and the result is a compromise on performance

general purpose)

Onboard barometric pressure sensor

and one with an offset of 0

Bottom line is this - if you're rebuilding a Subaru engine then you're going to want these bolts

ACT XACT Streetlite Flywheel for 06+ WRX EJ255 CAN & Tuning Cables the OE merge collectors areFeel Noticeably improved engine response and acceleration, OE to mild gear rattle Life Heat treated forging for strength and toughness, induction hardened ring gears for maximum life Quality One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears Recommended Use Recommended for street and race use ACT Difference Forged, CNC machined and