ACT 10-25 Subaru WRX XACT Flywheel Prolite TWO 3-1 POLISHED S.S. HEADERS cylinder heads

cylinder heads

Sparco Base Mitsubishi Evo-10 Lft

Designed for in-tank use only

OEM cone style to replace worn bump stops

ACT 10-25 Subaru WRX XACT Flywheel Prolite TWO 3-1 POLISHED S.S. HEADERS cylinder headsDramatically improved engine response and acceleration, mild to moderate gear rattle; Heat treated forging for strength and toughness, induction hardened ring gears for maximum life; 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 for race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM