ACT XACT Streetlite Flywheel for 02-05 WRX EJ20 EJ spring Kits The stock motor mounts are

The stock motor mounts are very soft and can fail at higher than stock power levels

DEFAULT: JE 12

Supply voltage = 13

The V4 is a thicker insert than the V3 version and is recommended with 800 WHP or higher builds

Dowel Holes

ACT XACT Streetlite Flywheel for 02-05 WRX EJ20 EJ spring Kits The stock motor mounts 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