Feel
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
Assures correct external balance for manual shift engine using OE front counterweight

Recommended Use
Recommended for street and race use

ACT Difference
Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability