{"product_id":"act-1991-mazda-miata-hd-race-rigid-4-pad-clutch-kit-1","title":"ACT 1991 Mazda Miata HD\/Race Rigid 4 Pad Clutch Kit","description":"\u003cp\u003eFor use with factory Flywheel\n\u003cbr\u003eHD\/Race Rigid 4 Pad\n\u003cbr\u003eLight to moderate pedal effort, aggressive engagement, increased gear rattle; Moderate friction life, extended by ACT's exclusive diaphragm design, rigid design may increase spline wear; Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance; Recommended for race use only; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability\n\u003cbr\u003eZM1-HDR4 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's 4-pad rigid race discs are made with high quality, ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. With the 4-pad rigid race disc, engagement is harsher, but shifting is faster. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines.\u003c\/p\u003e\n\n\u003cp\u003eFitment:\n\u003cbr\u003eMazda Miata Base 1990\n\u003cbr\u003eMazda Miata Base 1991\n\u003cbr\u003eMazda Miata Base 1992\n\u003cbr\u003eMazda Miata Base 1993\n\u003cbr\u003eMazda Miata LE 1993\n\u003cbr\u003eMazda Miata SE 1991\u003c\/p\u003e","brand":"ACT","offers":[{"title":"Default Title","offer_id":44035812098202,"sku":"92041","price":390.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0492\/6121\/5898\/products\/56bb39dd842f8885b568f74a07b4bb66_11214059-ea3f-4d1b-af00-3d3e839917b2.png?v=1698306951","url":"https:\/\/prime-wheels-and-tires.myshopify.com\/products\/act-1991-mazda-miata-hd-race-rigid-4-pad-clutch-kit-1","provider":"Prime Wheels and Tires","version":"1.0","type":"link"}