Corvette Clutches

RAM Clutches has been the premier supplier of Corvette clutches since 1972! Our systems center on driveability – making the clutch system as easy to drive as possible and still hold your power. From the top of the line Pro Street dual disc to our HD replacement sets, you can be sure you are receiving the highest quality parts engineered to fit your application. The chart below shows the clutch systems compatible with your 1989-2017 Corvette. Clutch ratings are for comparison purposes – don’t be fooled by outlandish claims from our competitors. We rate our clutches based on real world experience. Get the best you can for your Corvette – RAM Clutches!

Complete Clutch/Flywheel Packages
(includes pressure plate, disc, steel flywheel, mounting bolts)
APPLICATION	HDX UP TO 500 HP	POWERGRIP UP TO 575 HP	POWERGRIP HD UP TO 650 HP	POWERGRIP HD PADDLE DISC UP TO 700 HP	6 SPEED BRG.
APPLICATION 1997-2004 CORVETTE LS ENGINES W/ 6 BOLT CRANK	HDX UP TO 500 HP 25-831	POWERGRIP UP TO 575 HP 25-931	POWERGRIP HD UP TO 650 HP 25-931HPD	POWERGRIP HD PADDLE DISC UP TO 700 HP 25-931HD	6 SPEED BRG. 78165
APPLICATION 1997-2004 CORVETTE LS ENGINES W/ 8 BOLT CRANK	HDX UP TO 500 HP 25-832	POWERGRIP UP TO 575 HP 25-932	POWERGRIP HD UP TO 650 HP 25-932HPG	POWERGRIP HD PADDLE DISC UP TO 700 HP 25-932HD	6 SPEED BRG. 78165
APPLICATION 2005-2013 CORVETTE LS ENGINES W/ 6 BOLT CRANK	HDX UP TO 500 HP 25-831	POWERGRIP UP TO 575 HP 25-931	POWERGRIP HD UP TO 650 HP 25-931HPG	POWERGRIP HD PADDLE DISC UP TO 700 HP 25-931HD	6 SPEED BRG. 78170
APPLICATION 2005-2013 CORVETTE LS ENGINES W/ 8 BOLT CRANK	HDX UP TO 500 HP 25-832	POWERGRIP UP TO 575 HP 25-932	POWERGRIP HD UP TO 650 HP 25-932HPG	POWERGRIP HD PADDLE DISC UP TO 700 HP 25-932HD	6 SPEED BRG. 78170

Single Disc Systems
APPLICATION	STOCK - 450HP	450-550HP	STEEL FW	ALUM FW	4/5 SPEED BRG	6 SPEED BRG
APPLICATION 2014-17 factory is dual disc	STOCK - 450HP -	450-550HP -	STEEL FW -	ALUM FW -	4/5 SPEED BRG -	6 SPEED BRG -
APPLICATION 2005-13 req. RAM flywheel	STOCK - 450HP 88931HDX	450-550HP 98931HD	STEEL FW 1550	ALUM FW 2550	4/5 SPEED BRG -	6 SPEED BRG 78170
APPLICATION 2011-UP ZR-1 factory is dual disc	STOCK - 450HP -	450-550HP -	STEEL FW -	ALUM FW -	4/5 SPEED BRG -	6 SPEED BRG -
APPLICATION 1997-04	STOCK - 450HP 88931HDX	450-550HP 98931HD	STEEL FW 1550	ALUM FW 2550	4/5 SPEED BRG -	6 SPEED BRG 78165
APPLICATION 1994-96 LT1,LT4 push conversion incl FW	STOCK - 450HP 90-0810	450-550HP 90-0810N	STEEL FW 1534	ALUM FW 2534	4/5 SPEED BRG -	6 SPEED BRG INCL
APPLICATION 1994-96 ZR-1,LT5 push conv incl FW	STOCK - 450HP 90-0830	450-550HP 90-0830N	STEEL FW 1536	ALUM FW 2536	4/5 SPEED BRG -	6 SPEED BRG INCL
APPLICATION 1992-93 LT1 push conversion incl FW	STOCK - 450HP 90-0800	450-550HP 90-0800N	STEEL FW 1534	ALUM FW 2534	4/5 SPEED BRG -	6 SPEED BRG INCL
APPLICATION 1989-93 ZR-1, LT5 push conv incl FW	STOCK - 450HP 90-0820	450-550HP 90-0820N	STEEL FW 1536	ALUM FW 2536	4/5 SPEED BRG -	6 SPEED BRG INCL
APPLICATION 1989-92 L98 push conversion incl FW	STOCK - 450HP 90-0800	450-550HP 90-0800N	STEEL FW 1534	ALUM FW 2534	4/5 SPEED BRG -	6 SPEED BRG INCL
APPLICATION 1985-88 350ci	STOCK - 450HP 88761HDX	450-550HP 98761HD	STEEL FW 1509	ALUM FW 2509	4/5 SPEED BRG 78137	6 SPEED BRG -
APPLICATION 1984 350ci	STOCK - 450HP 88761HDX	450-550HP 98761HD	STEEL FW 2511	ALUM FW 2511	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1969-70 350ci w/11" CLUTCH	STOCK - 450HP 88762HDX	450-550HP 98762HD	STEEL FW 1501	ALUM FW 2501	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1969-71 350ci w/10.5" CLUTCH	STOCK - 450HP 88760HDX	450-550HP 98760HD	STEEL FW 1511	ALUM FW 2511	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1972 350ci w/ 26 SPLINE	STOCK - 450HP 88761HDX	450-550HP 98761HD	STEEL FW 1511	ALUM FW 2511	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1973-81 350ci	STOCK - 450HP 88764HDX	450-550HP 98764HD	STEEL FW 1501	ALUM FW 2501	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1965 396ci	STOCK - 450HP 88762HDX	450-550HP 98762HD	STEEL FW 1501	ALUM FW 2501	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1699-69 427ci w/10.5" CLUTCH	STOCK - 450HP 88760HDX	450-550HP 98760HD	STEEL FW 1511	ALUM FW 2511	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1966-69 427ci w/11" CLUTCH	STOCK - 450HP 88762HDX	450-550HP 98762HD	STEEL FW 1501	ALUM FW 2501	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1970-74 454ci	STOCK - 450HP 88764HDX	450-550HP 98764HD	STEEL FW 1501	ALUM FW 2501	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION 1956-68 265,283,327ci	STOCK - 450HP 88760HDX	450-550HP 98760HD	STEEL FW 1511	ALUM FW 2511	4/5 SPEED BRG 78125HD	6 SPEED BRG -
APPLICATION	STOCK - 450HP	450-550HP	STEEL FW	ALUM FW	4/5 SPEED BRG	6 SPEED BRG

Dual Disc Systems
APPLICATION	Concept 10.5 300-700 hp	Concept 10.5 900S 300-900 hp	Force 10.5 300-700 hp	Force 10.5 900S 300-900 hp	Pro Street 300-700 hp	Pro Street 900S 300-900 hp	Teeth	4/5 Speed Bearing	6 Speed Bearing
APPLICATION 2014-17 factory is dual disc	Concept 10.5 300-700 hp -	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp 80-2112	Force 10.5 900S 300-900 hp 80-2112N	Pro Street 300-700 hp 60-2112	Pro Street 900S 300-900 hp 60-2112N	Teeth 168	4/5 Speed Bearing -	6 Speed Bearing 78170
APPLICATION 2005-13 req. RAM flywheel	Concept 10.5 300-700 hp -	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp 80-2100	Force 10.5 900S 300-900 hp 80-2100N	Pro Street 300-700 hp 60-2100	Pro Street 900S 300-900 hp 60-2100N	Teeth 168	4/5 Speed Bearing -	6 Speed Bearing 78170
APPLICATION 2011-UP ZR-1 factory is dual disc	Concept 10.5 300-700 hp -	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp 80-2115	Force 10.5 900S 300-900 hp 80-2115N	Pro Street 300-700 hp 60-2115	Pro Street 900S 300-900 hp 60-2115N	Teeth 168	4/5 Speed Bearing -	6 Speed Bearing 78170
APPLICATION 1997-04	Concept 10.5 300-700 hp -	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp 80-2100	Force 10.5 900S 300-900 hp 80-2100N	Pro Street 300-700 hp 60-2100	Pro Street 900S 300-900 hp 60-2100N	Teeth 168	4/5 Speed Bearing -	6 Speed Bearing 78165
APPLICATION 1994-96 LT1,LT4 push conversion incl FW	Concept 10.5 300-700 hp 75-2175	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp -	Force 10.5 900S 300-900 hp -	Pro Street 300-700 hp -	Pro Street 900S 300-900 hp -	Teeth 153	4/5 Speed Bearing -	6 Speed Bearing INCL
APPLICATION 1994-96 ZR-1,LT5 push conv incl FW	Concept 10.5 300-700 hp 75-2179	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp -	Force 10.5 900S 300-900 hp -	Pro Street 300-700 hp -	Pro Street 900S 300-900 hp -	Teeth 153	4/5 Speed Bearing -	6 Speed Bearing INCL
APPLICATION 1992-93 LT1 push conversion incl FW	Concept 10.5 300-700 hp 75-2173	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp -	Force 10.5 900S 300-900 hp -	Pro Street 300-700 hp -	Pro Street 900S 300-900 hp -	Teeth 153	4/5 Speed Bearing -	6 Speed Bearing INCL
APPLICATION 1989-93 ZR-1, LT5 push conv incl FW	Concept 10.5 300-700 hp 75-2177	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp -	Force 10.5 900S 300-900 hp -	Pro Street 300-700 hp -	Pro Street 900S 300-900 hp -	Teeth 153	4/5 Speed Bearing -	6 Speed Bearing INCL
APPLICATION 1989-92 L98 push conversion incl FW	Concept 10.5 300-700 hp 75-2173	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp -	Force 10.5 900S 300-900 hp -	Pro Street 300-700 hp -	Pro Street 900S 300-900 hp -	Teeth 153	4/5 Speed Bearing -	6 Speed Bearing INCL
APPLICATION 1985-88 350ci	Concept 10.5 300-700 hp -	Concept 10.5 900S 300-900 hp -	Force 10.5 300-700 hp -	Force 10.5 900S 300-900 hp -	Pro Street 300-700 hp -	Pro Street 900S 300-900 hp -	Teeth 153	4/5 Speed Bearing -	6 Speed Bearing -
APPLICATION 1984 350ci	Concept 10.5 300-700 hp 75-2127	Concept 10.5 900S 300-900 hp 50-2127N	Force 10.5 300-700 hp 80-2127	Force 10.5 900S 300-900 hp 80-2127N	Pro Street 300-700 hp 60-2127	Pro Street 900S 300-900 hp 60-2127N	Teeth 153	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1969-70 350ci w/11" CLUTCH	Concept 10.5 300-700 hp 75-2120	Concept 10.5 900S 300-900 hp 50-2120N	Force 10.5 300-700 hp 80-2120	Force 10.5 900S 300-900 hp 80-2120N	Pro Street 300-700 hp 60-2120	Pro Street 900S 300-900 hp 60-2120N	Teeth 168	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1969-71 350ci w/10.5" CLUTCH	Concept 10.5 300-700 hp 75-2122	Concept 10.5 900S 300-900 hp 50-2122N	Force 10.5 300-700 hp 80-2122	Force 10.5 900S 300-900 hp 80-2122N	Pro Street 300-700 hp 60-2122	Pro Street 900S 300-900 hp 60-2122N	Teeth 153	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1972 350ci w/ 26 SPLINE	Concept 10.5 300-700 hp 75-2127	Concept 10.5 900S 300-900 hp 50-2127N	Force 10.5 300-700 hp 80-2127	Force 10.5 900S 300-900 hp 80-2127N	Pro Street 300-700 hp 60-2127	Pro Street 900S 300-900 hp 60-2127N	Teeth 153	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1973-81 350ci	Concept 10.5 300-700 hp 75-2125	Concept 10.5 900S 300-900 hp 50-2125N	Force 10.5 300-700 hp 80-2125	Force 10.5 900S 300-900 hp 80-2125N	Pro Street 300-700 hp 60-2125	Pro Street 900S 300-900 hp 60-2125N	Teeth 168	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1965 396ci	Concept 10.5 300-700 hp 75-2120	Concept 10.5 900S 300-900 hp 50-2120N	Force 10.5 300-700 hp 80-2120	Force 10.5 900S 300-900 hp 80-2120N	Pro Street 300-700 hp 60-2120	Pro Street 900S 300-900 hp 60-2120N	Teeth 168	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1699-69 427ci w/10.5" CLUTCH	Concept 10.5 300-700 hp 75-2122	Concept 10.5 900S 300-900 hp 50-2122N	Force 10.5 300-700 hp 80-2122	Force 10.5 900S 300-900 hp 80-2122N	Pro Street 300-700 hp 60-2122	Pro Street 900S 300-900 hp 60-2122N	Teeth 153	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1966-69 427ci w/11" CLUTCH	Concept 10.5 300-700 hp 75-2120	Concept 10.5 900S 300-900 hp 50-2120N	Force 10.5 300-700 hp 80-2120	Force 10.5 900S 300-900 hp 80-2120N	Pro Street 300-700 hp 60-2120	Pro Street 900S 300-900 hp 60-2120N	Teeth 168	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1970-74 454ci	Concept 10.5 300-700 hp 75-2125	Concept 10.5 900S 300-900 hp 50-2125N	Force 10.5 300-700 hp 80-2125	Force 10.5 900S 300-900 hp 80-2125N	Pro Street 300-700 hp 60-2125	Pro Street 900S 300-900 hp 60-2125N	Teeth 168	4/5 Speed Bearing 78125HD	6 Speed Bearing -
APPLICATION 1956-68 265,283,327ci	Concept 10.5 300-700 hp 75-2122	Concept 10.5 900S 300-900 hp 50-2122N	Force 10.5 300-700 hp 80-2122	Force 10.5 900S 300-900 hp 80-2122N	Pro Street 300-700 hp 60-2122	Pro Street 900S 300-900 hp 60-2122N	Teeth 153	4/5 Speed Bearing 78125HD	6 Speed Bearing -

Add ‘S’ to the end of any dual disc of C4 conversion system part number to designate steel flywheel.

All C6 dual disc applications require the use of a RAM hydraulic release bearing.

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