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1968-1988 Corvette Clutches and Clutch Systems

1968-1988 single disc clutch kits
and dual disc systems for Corvette

1968-1988 Corvette Clutches and Clutch Systems

1968-1988 single disc clutch kits
and dual disc systems for Corvette

1968-1988 RAM single disc clutch kits and dual disc systems for Chevrolet Corvette

Replacing the clutch system in your 1968-1988 Corvette?  Whether you are restoring a classic to factory specification or building a street/competition car, RAM can tailor a system to meet your needs.  Stock replacement single disc clutch kits are available to provide a smooth engagement and light pedal for that concours restoration or for upgraded power levels to give a nice balance between driveability and holding power.  For higher horsepower applications, choose from one of the RAM Street Dual disc clutch systems that allow you to have your cake and eat it too – a smooth engagement that holds up to bog power and use!

 

RAM HDX Clutch kits

Unless you are doing a stock restoration, you probably can benefit from having a mildly upgraded clutch system like the RAM HDX clutch kits.  HDX Clutch kits give you a higher clampload pressure plate without too much pedal effort, and an upgraded organic disc that allows for smooth engagement, yet will stand up to spirited driving on the street.  For more holding power in dual purpose street and track cars, check out the RAM Powergrip series clutch kits.

List of Applications:

  • 1968-88 Corvette applications

RAM HDX 450HP Street Performance Organic Clutch Kit GM 11 x 1 1/8-26 spline

Single Disc Systems
Engine
CORVETTE 1968-88
5.7L
5.7L
350
350
350
350
454
427
427
ALL
YR1
85
69
69
73
70
68
68
YR2
88
84
70
71
72
81
74
69
69
68
Application Notes
350 C.I. ENGINE
350 C.I. ENGINE
W/ 11" CLUTCH
W/ 10.5" CLUTCH
W/ 26 SPLINE INPUT
ALL
ALL
W/ 10.5" CLUTCH
W/ 11" CLUTCH
265, 283, 327
Flywheel Aluminum
Size & Spline
10.5, 1 1/8-26
10.5, 1 1/8-26
11.0, 1 1/8-10
10.5, 1 1/8-10
10.5. 1 1/8-26
11, 1 1/8-26
11, 1 1/8-26
10.5, 1 1/8-10
11, 1 1/8-10
10.5, 1 1/8-10
Dual Disc Systems
Engine
CORVETTE 1968-88
5.7L
5.7L
350
350
350
350
454
427
427
ALL
YR1
85
69
69
73
70
68
68
YR2
88
84
70
71
72
81
74
69
69
68
Application Notes
350 C.I. ENGINE
350 C.I. ENGINE
W/ 11" CLUTCH
W/ 10.5" CLUTCH
W/ 26 SPLINE INPUT
ALL
ALL
W/ 10.5" CLUTCH
W/ 11" CLUTCH
265, 283, 327
Force 10.5 Dual Disc 300 Series w/ Flywheel
-
Force 10.5 Dual Disc 900 Series W/ Flywheel
-
Pro Street Dual Disc 300 Series w/ Flywheel
-
Pro Street Dual Disc 900 Series w/ Flywheel
-
ENGINE
YR1
YR2
APPLICATION NOTES
OEM SET
HDX SET
POWERGRIP SET
POWERGRIP HD SET
FLYWHEEL STEEL
FLYWHEEL ALUMINUM
SIZE & SPLINE
SINGLE DISC SYSTEMS
CORVETTE 1968-88
5.7L
85
88
350 C.I. ENGINE
88730
88730HDX
98730
98730HD
1509
2509
10.5, 1 1/8-26
SINGLE DISC SYSTEMS
CORVETTE 1968-88
5.7L
84
350 C.I. ENGINE
88761
88761HDX
98761
98761HD
1501
2501
10.5, 1 1/8-26
SINGLE DISC SYSTEMS
CORVETTE 1968-88
350
69
70
W/ 11" CLUTCH
88762
88762HDX
98762
98762HD
1501
2501
11.0, 1 1/8-10
SINGLE DISC SYSTEMS
CORVETTE 1968-88
350
69
71
W/ 10.5" CLUTCH
88760
88760HDX
98760
98760HD
1511
2511
10.5, 1 1/8-10
SINGLE DISC SYSTEMS
CORVETTE 1968-88
350
72
W/ 26 SPINE INPUT
88761
88761HDX
98761
98761HD
1511
2511
10.5, 1 1/8-26
SINGLE DISC SYSTEMS
CORVETTE 1968-88
350
73
81
ALL
88764
88764HDX
98764
98764HD
1501
2501
11, 1 1/8-26
SINGLE DISC SYSTEMS
CORVETTE 1968-88
454
70
74
ALL
88764
88764HDX
98764
98764HD
1521
2521
11, 1 1/8-26
SINGLE DISC SYSTEMS
CORVETTE 1968-88
427
68
69
W/ 10.5" CLUTCH
88760
88760HDX
98760
98760HD
1511
2511
10.5, 1 1/8-10
SINGLE DISC SYSTEMS
CORVETTE 1968-88
427
68
69
W/ 11" CLUTCH
88762
88762HDX
98762
98762HD
1501
2501
11, 1 1/8-10
SINGLE DISC SYSTEMS
CORVETTE 1968-88
ALL
68
265, 283, 327
88760
88760HDX
98760
98760HD
1511
2511
10.5, 1 1/8-10
ENGINE
YR1
YR2
APPLICATION NOTES
Concept 10.5 - DUAL DISC
Concept 10.5 - 900S
Force 10.5 - DUAL DISC
Force 10.5 900 series - DUAL DISC
Pro Street - DUAL DISC
Pro Street 900s - DUAL DISC
DUAL DISC SYSTEMS
CORVETTE 1968-88
5.7L
85
88
350 C.I. ENGINE
50-2127
50-2127N
-
-
-
-
DUAL DISC SYSTEMS
CORVETTE 1968-88
5.7L
84
350 C.I. ENGINE
50-2127
50-2127N
80-2125
80-2125N
60-2125
60-2125N
DUAL DISC SYSTEMS
CORVETTE 1968-88
350
69
70
W/ 11" CLUTCH
50-2120
50-2120N
80-2120
80-2120N
60-2120
60-2120N
DUAL DISC SYSTEMS
CORVETTE 1968-88
350
69
71
W/ 10.5%22 CLUTCH
50-2122
50-2122N
80-2122
80-2122N
60-2122
60-2122N
DUAL DISC SYSTEMS
CORVETTE 1968-88
350
72
W/ 26 SPLINE INPUT
50-2127
50-2127N
80-2127
80-2127N
60-2127
60-2127N
DUAL DISC SYSTEMS
CORVETTE 1968-88
350
73
81
ALL
50-2125
50-2125N
80-2125
80-2125N
60-2125
60-2125N
DUAL DISC SYSTEMS
CORVETTE 1968-88
454
70
74
ALL
50-2125
50-2125N
80-2135
80-2135N
60-2135
60-2135N
DUAL DISC SYSTEMS
CORVETTE 1968-88
427
68
69
W/ 10.5" CLUTCH
50-2122
50-2122N
80-2122
80-2122N
60-2122
60-2122N
DUAL DISC SYSTEMS
CORVETTE 1968-88
427
68
69
W/ 11" CLUTCH
50-2120
50-2120N
80-2120
80-2120N
60-2120
60-2120N
DUAL DISC SYSTEMS
CORVETTE 1968-88
ALL
68
265, 283, 327
50-2122
50-2122N
80-2122
80-2122N
60-2122
60-2122N

Add 's' to the end of any street dual disc part number for steel flywheel

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The videos above will tell you about RAM clutches, flywheels, and hydraulics for your Corvette. More RAM video is available on our YouTube page.

Applications

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