ACT Heavy Duty Race Sprung 6-Puck Disc Clutch Kit - 2006-2017 Subaru WRX Suspension>Alignment Kits if you are building a

if you are building a block with forged internals

or XS performance rotors

5 grams per rod will make balancing a breeze

and above yield strength

Wheels will sit slightly inward

ACT Heavy Duty Race Sprung 6-Puck Disc Clutch Kit - 2006-2017 Subaru WRX Suspension>Alignment Kits if you are building aRecommended for high horsepower street or race use Engagement is light to moderate pedal effort, aggressive engagement, OE to mild gear rattle Rated at 535 ft lbs of torque. NOTE: Subaru has incorporated 240mm clutch components into production during mid 2018MY production starting with VIN J*806877. Clutch kits and flywheels are not compatible with the revised OEM components. SB5 HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT