{"product_id":"heavy-duty-race-sprung-6-pad-clutch-kit","title":"Heavy Duty Race Sprung 6 Pad Clutch Kit","description":"The ACT Heavy Duty Race Sprung 6 Pad Clutch Kit with Monoloc is engineered for high horsepower street or race use, offering a significant upgrade over stock clutch systems. It features ACT's popular Heavy Duty pressure plate, designed with an exclusive diaphragm to boost clamp load, minimize deflection, and extend clutch life through a four-stage heat-treating process. The precision-stamped cover provides rigidity and consistent performance.\n\nThe kit includes a 6-pad spring-centered race disc constructed to withstand harsh conditions and enable faster shifting. Its spring-center design effectively dampens torsional vibrations, while reinforced spring retainers enhance reliability. This configuration provides a light to moderate pedal effort with aggressive engagement and is recommended for absorbing higher heat loads. The included Monoloc is a one-piece unit that replaces the standard two-piece wedge collar, ensuring uniform loading and proper alignment for the bearing and pressure plate, constructed from hardened Chrome-moly steel.\n\nSpecifications include a torque capacity of 668 ft-lbs (88% over OE) and a ceramic disc material with a 9.4-inch diameter. The pressure plate is heavy-duty, and the input shaft diameter is 1 inch. The product is backed by an ACT 12-month warranty. This clutch kit is compatible with Subaru WRX STI models from 2004 to 2021.","brand":"ACT","offers":[{"title":"Default Title","offer_id":52686756905272,"sku":"SB10-HDG6","price":861.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660671385.jpg?v=1784876377","url":"https:\/\/store.motormia.co\/products\/heavy-duty-race-sprung-6-pad-clutch-kit","provider":"MOTORMIA","version":"1.0","type":"link"}