803.788.6034 | 201 BUSINESS PARK BLVD., COLUMBIA, SC 29203


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.