{"product_id":"act-1991-mazda-miata-hd-performance-street-sprung-clutch-kit-part-number-actzm1-hdss","title":"ACT 1991 Mazda Miata HD\/Performance Street Sprung Clutch Kit - Part Number ACTZM1-HDSS","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe ACT 1991 Mazda Miata HD\/Performance Street Sprung Clutch Kit delivers reliable performance for street and race applications. Featuring ACT's most popular Heavy Duty pressure plate, this kit utilizes an exclusive diaphragm design that increases clamp load, reduces deflection, and extends clutch life. The pressure plate undergoes a four-stage heat-treating process to ensure durability and consistent performance, with precision cover stampings that enhance rigidity and stability during operation. The performance street disc included in this kit boasts premium organic friction materials with high copper content for superior heat transfer, along with a steel-backed lining for increased burst strength and durability. These discs are designed with reduced marcel to provide faster shift action, making them ideal for spirited driving or competitive racing. The clutch kit offers light to moderate pedal effort, smooth positive engagement, and is engineered for long friction life, thanks to ACT’s advanced diaphragm design and high-quality organic materials. Carefully assembled and precisely balanced, this kit ensures dynamic high RPM reliability and minimal gear rattle, making it suitable for both daily driving and track use. Backed by ACT’s industry-leading one-year warranty, the kit guarantees excellence in performance and durability for your Mazda Miata. \u003c\/p\u003e\u003cul\u003e\u003cli\u003eExcellence in Performance, backed by the best one-year warranty in the industry!\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHeavy Duty pressure plate with exclusive diaphragm design for increased clamp load and reduced deflection\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFour-stage heat-treating process for enhanced durability and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePrecision cover stampings for rigidity and consistency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePerformance street disc with high copper organic friction material for superior heat transfer\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSteel-backed lining for greater burst strength and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReduced marcel for faster shift action\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLight to moderate pedal effort with smooth positive engagement\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLong friction life with heat-tolerant materials\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngineered for street and race use with dynamic high RPM reliability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBacked by ACT's industry-leading one-year warranty\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cp\u003eFitment:\n\u003cbr\u003e1990 Mazda Miata Base\n\u003cbr\u003e1991 Mazda Miata Base\n\u003cbr\u003e1991 Mazda Miata SE\n\u003cbr\u003e1992 Mazda Miata Base\n\u003cbr\u003e1993 Mazda Miata Base\n\u003cbr\u003e1993 Mazda Miata LE\u003c\/p\u003e","brand":"ACT","offers":[{"title":"Default Title","offer_id":45981090939079,"sku":"actZM1-HDSS","price":485.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/0f7986231b41f41a7fe99f10159aa8b3.jpg?v=1766511904","url":"https:\/\/mainstreeteshop.com\/products\/act-1991-mazda-miata-hd-performance-street-sprung-clutch-kit-part-number-actzm1-hdss","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}