{"product_id":"mr1-hdr4-hd-race-rigid-4-pad","title":"MR1-HDR4 - HD\/Race Rigid 4 Pad","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eItem Description:\u003c\/strong\u003e HD\/Race Rigid 4 Pad\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eProduct Weight (lbs.):\u003c\/strong\u003e 11.6\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eTorque Capacity (ft\/lbs.):\u003c\/strong\u003e 350\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eTorque Capacity Over OE:\u003c\/strong\u003e 77%\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eDisc Material:\u003c\/strong\u003e Ceramic\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eClutch Disc Diameter (Inches):\u003c\/strong\u003e 8.8\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eClutch Disc Diameter (Millimeters):\u003c\/strong\u003e 224\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eInput Shaft Diameter (inches):\u003c\/strong\u003e 0.875\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003ePressure Plate Type:\u003c\/strong\u003e Heavy Duty\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eWarranty:\u003c\/strong\u003e 12 Months\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eDescription:\u003c\/strong\u003e The MR1-HDR4 kit by ACT features their popular Heavy Duty pressure plate paired with a 4-pad rigid race disc, engineered for high-performance racing applications. Employing ACT's exclusive diaphragm design, the Heavy Duty pressure plate enhances clamp load, minimizes deflection, and maximizes clutch longevity. Each diaphragm undergoes a four-stage heat-treating process for outstanding performance. Precision cover stampings ensure the rigidity and consistency of ACT pressure plates. Crafted with high-quality ceramic friction materials, the 4-pad rigid race discs feature a chrome-moly hub heat-treated for durability. This lightweight, rigid design facilitates quicker shifts and ensures reliable performance. While engagement may be harsher, the 4-pad rigid race disc enables faster shifting, making it ideal for smaller disc sizes in compact engines.\u003c\/p\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eFeel:\u003c\/strong\u003e Light to moderate pedal effort, aggressive engagement, increased gear rattle\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eLife:\u003c\/strong\u003e Moderate friction life, extended by ACT's exclusive diaphragm design; rigid design may increase spline wear\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eQuality:\u003c\/strong\u003e Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eRecommended Use:\u003c\/strong\u003e Recommended for race use only\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eACT Difference:\u003c\/strong\u003e 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003eApplication:\u003c\/strong\u003e Engine\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003e2004-2012 Mitsubishi Lancer Ralliart:\u003c\/strong\u003e 2.4 L4 GAS FI 2400cc | SOHC | Naturally Aspirated\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003e2006-2012 Mitsubishi Eclipse GS:\u003c\/strong\u003e 2.4 L4 GAS FI 2378cc | SOHC | Naturally Aspirated\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003e2007-2012 Mitsubishi Eclipse Spyder GS:\u003c\/strong\u003e 2.4 L4 GAS FI 2378cc | Naturally Aspirated\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\"\u003e\n \u003cstrong data-mce-fragment=\"1\"\u003e2008 Mitsubishi Eclipse SE:\u003c\/strong\u003e 2.4 L4 GAS FI 2378cc | Naturally Aspirated\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eProp 65 Warning:\u003c\/strong\u003e This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.\u003c\/p\u003e","brand":"ACT","offers":[{"title":"Default Title","offer_id":40572257140849,"sku":"MR1-HDR4","price":509.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0059\/7059\/1857\/files\/MR1-HDR4_a6846edb-905d-4eee-b6bb-a89ea594b628.jpg?v=1711556593","url":"https:\/\/gripracingusa.com\/products\/mr1-hdr4-hd-race-rigid-4-pad","provider":"gripracingusa","version":"1.0","type":"link"}