{"product_id":"act-hd-perf-street-sprung-clutch-kit-1997-2013-gm-ls-series-gm9-hdss","title":"ACT Heavy Duty Performance Street Sprung Clutch Kit, 1997-2013 GM LS-Series Camaro\/Corvette\/Firebird\/GTO\/Trailblazer | GM9-HDSS","description":"\u003cp\u003eThe ACT GM9-HDSS pairs ACT's Heavy Duty pressure plate with its Performance Street sprung disc for a stronger-holding, street-friendly clutch kit across GM's LS-series Camaro, Corvette, Firebird, GTO, and Trailblazer SS applications. The Heavy Duty pressure plate uses ACT's exclusive diaphragm design to increase clamp load and reduce deflection, and every diaphragm goes through a four-stage heat-treating process for consistent performance. The Performance Street disc uses premium organic friction material with high copper content for improved heat transfer, plus steel-backed lining for greater burst strength and durability, with reduced marcel for faster, crisper shifts. Installation requires a flat flywheel, or the ACT 600585 flywheel on LS2\/LS3\/LS7 applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTorque Capacity: 709 ft-lb (42% over OE)\u003c\/li\u003e\n\u003cli\u003eProduct Weight: 29.8 lbs\u003c\/li\u003e\n\u003cli\u003eDisc Diameter: 11 in (280 mm)\u003c\/li\u003e\n\u003cli\u003ePressure Plate: Heavy Duty, four-stage heat-treated diaphragm\u003c\/li\u003e\n\u003cli\u003eDisc Material: Organic, high-copper content, steel-backed lining\u003c\/li\u003e\n\u003cli\u003eDisc Style: Sprung hub\u003c\/li\u003e\n\u003cli\u003eFitment Requirement: Requires a flat flywheel, or ACT 600585 flywheel for LS2\/LS3\/LS7\u003c\/li\u003e\n\u003cli\u003ePedal Feel: Light to moderate effort, smooth positive engagement, OE to mild gear rattle\u003c\/li\u003e\n\u003cli\u003eRecommended Use: Street and race use\u003c\/li\u003e\n\u003cli\u003ePart Number: GM9-HDSS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVehicle Applications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1998 Chevrolet Camaro Z28\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Camaro Z28\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Camaro Z28\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Camaro Z28\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Camaro Z28\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Camaro Z28 SS\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Camaro Z28 SS\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Camaro Z28 SS\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Camaro Z28 SS\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Camaro Z28 SS\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Corvette 50th Anniversary Edition\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Corvette 50th Anniversary Edition Pace Car\u003c\/li\u003e\n\u003cli\u003e1997 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2007 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2008 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2009 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2010 Chevrolet Corvette Grand Sport\u003c\/li\u003e\n\u003cli\u003e2011 Chevrolet Corvette Grand Sport\u003c\/li\u003e\n\u003cli\u003e2012 Chevrolet Corvette Grand Sport\u003c\/li\u003e\n\u003cli\u003e2013 Chevrolet Corvette Grand Sport\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Corvette Indianapolis 500 Pace Car\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Corvette Z06\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Corvette Z06\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Corvette Z06\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Corvette Z06\u003c\/li\u003e\n\u003cli\u003e2006 Chevrolet Trailblazer SS\u003c\/li\u003e\n\u003cli\u003e1998 Pontiac Firebird Formula\u003c\/li\u003e\n\u003cli\u003e1999 Pontiac Firebird Formula\u003c\/li\u003e\n\u003cli\u003e2000 Pontiac Firebird Formula\u003c\/li\u003e\n\u003cli\u003e2001 Pontiac Firebird Formula\u003c\/li\u003e\n\u003cli\u003e2002 Pontiac Firebird Formula\u003c\/li\u003e\n\u003cli\u003e1998 Pontiac Firebird Trans Am\u003c\/li\u003e\n\u003cli\u003e1999 Pontiac Firebird Trans Am\u003c\/li\u003e\n\u003cli\u003e2000 Pontiac Firebird Trans Am\u003c\/li\u003e\n\u003cli\u003e2001 Pontiac Firebird Trans Am\u003c\/li\u003e\n\u003cli\u003e2002 Pontiac Firebird Trans Am\u003c\/li\u003e\n\u003cli\u003e2004 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2005 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2006 Pontiac GTO\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWarning: This product can expose you to chemicals including carbon black, glass wool fibers, or silica (in clutch discs), chromium and nickel, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat torque capacity does the GM9-HDSS handle?\u003c\/h5\u003e\u003cp\u003eThe kit is rated for 709 ft-lb of torque capacity, a 42% increase over the factory clutch on these LS-series platforms.\u003c\/p\u003e\u003ch5\u003eWhat flywheel does the GM9-HDSS require?\u003c\/h5\u003e\u003cp\u003eIt must be used with a flat flywheel, or with the ACT 600585 flywheel on LS2\/LS3\/LS7-equipped applications.\u003c\/p\u003e\u003ch5\u003eWhat vehicles does the GM9-HDSS cover?\u003c\/h5\u003e\u003cp\u003eIt spans a wide range of GM LS-series platforms, including the 1998-2002 Camaro Z28\/Z28 SS, 1997-2013 Corvette (including Grand Sport and Z06), 2006 Trailblazer SS, 1998-2002 Firebird Formula\/Trans Am, and 2004-2006 Pontiac GTO. See the Vehicle Applications list above to confirm the exact year and trim.\u003c\/p\u003e\u003ch5\u003eIs this kit suitable for daily driving?\u003c\/h5\u003e\u003cp\u003eYes. It is engineered for light to moderate pedal effort with smooth, positive engagement and only OE to mild gear rattle, and is recommended for both street and race use.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What torque capacity does the GM9-HDSS handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The kit is rated for 709 ft-lb of torque capacity, a 42% increase over the factory clutch on these LS-series platforms.\"}},{\"@type\":\"Question\",\"name\":\"What flywheel does the GM9-HDSS require?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It must be used with a flat flywheel, or with the ACT 600585 flywheel on LS2\/LS3\/LS7-equipped applications.\"}},{\"@type\":\"Question\",\"name\":\"What vehicles does the GM9-HDSS cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It spans a wide range of GM LS-series platforms, including the 1998-2002 Camaro Z28\/Z28 SS, 1997-2013 Corvette (including Grand Sport and Z06), 2006 Trailblazer SS, 1998-2002 Firebird Formula\/Trans Am, and 2004-2006 Pontiac GTO.\"}},{\"@type\":\"Question\",\"name\":\"Is this kit suitable for daily driving?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It is engineered for light to moderate pedal effort with smooth, positive engagement and only OE to mild gear rattle, and is recommended for both street and race use.\"}}]}\u003c\/script\u003e","brand":"Advanced Clutch","offers":[{"title":"Default Title","offer_id":42652789473328,"sku":"BHXS_GM9-HDSS","price":613.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/ACTGM9-HDSS.jpg?v=1765876215","url":"https:\/\/berryperformancesales.com\/products\/act-hd-perf-street-sprung-clutch-kit-1997-2013-gm-ls-series-gm9-hdss","provider":"Berry Performance Sales","version":"1.0","type":"link"}