PowerTrain Technology
7.25 Replacement Clutch Packs
Some splined input shafts have actual measured outside diameters (O.D.’s) that vary slightly from their commonly named O.D. As a result of this variation PTT uses the term ‘Nominal O.D.’ to refer to the commonly named shaft O.D. To determine what spline is on your input shaft, carefully measure the outside diameter of the splined section of the input shaft and compare it to the column labeled ‘Actual Measured O.D.’.
7.25" DISC .105" THICK SINTERED METALLIC
Spline # Nominal O.D. (in) # teeth Shaft O.D. (in) Shaft O.D. (mm) Application 1 Disc 2 Disc 3 Disc 4 Disc
12 .740 18 .740 18.8 Ford Festiva Suzuki Swift PH116A12 PH216A12 PH316A12 PH416A12
32 13/16 24 13/16 20.6 Porsche Alfa Romeo Volkswagen Vauxhall PH116A36 PH216A36 PH316A36 PH416A36
40 7/8 10 7/8 22.2 MG Midget Imp Triumph Quaife 750 MC Lada PH116A40 PH216A40 PH316A40 PH416A40
41 7/8 20 7/8 22.2 Hewland Ford PH116A41 PH216A41 PH316A41 PH416A41
60 1 10 1 25.4 Volvo Alfa Romeo Triumph PH116A60 PH216A60 PH316A60 PH416A60
62 1 22 1 25.4 Mazda RX7 PH116A62 PH216A62 PH316A62 PH416A62
63 1 23 1 25.4 Ford Rocket Cosworth MGB Talbot Austin Healy Porsche Xtrac Quaife Mitsubishi PH116A63 PH216A63 PH316A63 PH416A63
64 1 24 1 24.7 Honda (small) Rover Skyline Lotus Elan PH116A64 PH216A64 PH316A64 PH416A64
25.4 Nissan (Datsun)
70 1-1/16 10 1-1/16 26.9 Ford PH116A70 PH216A70 PH316A70 PH416A70
72 1 24 1 26.2 Honda (big) Integra '92 & up PH116A72 PH216A72 PH316A72 PH416A72
80 1-1/8 10 1-1/8 28.5 BMW Chevrolet Cosworth Getrag Jaguar Muncie PH116A80 PH216A80 PH316A80 PH416A80
81 1-3/16 21 1-3/16 28.5 Toyota Supra RWD PH116A81 PH216A81 PH316A81 PH416A81
90 1-5/32 26 1-5/32 28.5 Borg Warner T10 & Super T10 Chevrolet Hewland Jerico PH116A90 PH216A90 PH316A90 PH416A90
97 1-3/8 10 1-3/8 35 BMW Getrag PH116A97 PH216A97 PH316A97 PH416A97
99 1-3/8 10 1-3/8 35 Ford PH116A99 PH216A99 PH316A99 PH416A99
7.25" DISC .125" THICK HI-TORQUE SINTERED METALLIC
Spline # Nominal O.D. (in) # teeth Shaft O.D. (in) Shaft O.D. (mm) Application 1 Disc
80 1-1/8 10 1.113 28.3 BMW Chevrolet Cosworth Getrag Jaguar Muncie PH148A80
90 1-1/8 or 1-5/32 26 1.120 28.5 Borg Warner T10 & Super T10 Chevrolet Hewland Jerico PH148A90
7.25" DISC .200" THICK SINTERED METALLIC
Spline # Nominal O.D. (in) # teeth Shaft O.D. (in) Shaft O.D. (mm) Application 1 Disc 2 Disc 3 Disc
12 3/4 18 .740 18.8 Ford Festiva Suzuki Swift PH126A12 PH226A12 PH326A12
32 13/16 24 .775 19.7 Porsche Alfa Romeo Volkswagen Vauxhall PH126A36 PH226A36 PH326A36
40 7/8 10 .875 22.2 MG Midget Imp Triumph Quaife 750 MC Lada PH126A40 PH226A40 PH326A40
41 7/8 20 .875 22.2 Hewland Ford PH126A41 PH226A41 PH326A41
60 1 10 1.0 25.4 Volvo Alfa Romeo Triumph PH126A60 PH226A60 PH326A60
62 15/16 22 .942 23.9 Mazda RX7 PH126A62 PH226A62 PH326A62
63 1 23 1.023 26 Ford Rocket Cosworth MGB Talbot Austin Healy Porsche Xtrac Quaife Mitsubishi PH126A63 PH226A63 PH326A63
64 1 24 1 24.6 Honda (small) Rover Skyline Lotus Elan PH126A64 PH226A64 PH326A64
24.7 Nissan (Datsun)
70 1-1/16 10 1.060 27 Ford PH126A70 PH226A70 PH326A70
72 1 24 1.003 25.4 Honda (big) Integra '92 & up PH126A72 PH226A72 PH326A72
80 1-1/8 10 1.113 28.3 BMW Chevrolet Cosworth Getrag Jaguar Muncie PH126A80 PH226A80 PH326A80
81 1-1/8 21 1.100 28.9 Toyota Supra RWD PH126A81 PH226A81 PH326A81
90 1-1/8 or 1-5/32 26 1.120 28.5 Borg Warner T10 & Super T10 Chevrolet Hewland Jerico PH126A90 PH226A90 PH326A90
97 1-3/8 10 1.384 35.2 BMW Getrag PH126A97 PH226A97 PH326A97
99 1-3/8 10 1.373 34.9 Ford PH126A99 PH226A99 PH326A99
7.25" DISC .250" THICK SINTERED METALLIC
Spline # Nominal O.D. (in) # teeth Shaft O.D. (in) Shaft O.D. (mm) Application 1 Disc 2 Disc
12 3/4 18 .740 18.8 Ford Festiva Suzuki Swift PH136A12 PH236A12
32 13/16 24 .775 19.7 Porsche Alfa Romeo Volkswagen Vauxhall PH136A36 PH236A36
40 7/8 10 .875 22.2 MG Midget Imp Triumph Quaife 750 MC Lada PH136A40 PH236A40
41 7/8 20 .875 22.2 Hewland Ford PH136A41 PH236A41
60 1 10 1.0 25.4 Volvo Alfa Romeo Triumph PH136A60 PH236A60
62 15/16 22 .942 23.9 Mazda RX7 PH136A62 PH236A62
63 1 23 1.023 26 Ford Rocket Cosworth MGB Talbot Austin Healy Porsche Xtrac Quaife Mitsubishi PH136A63 PH236A63
64 1 24 1 24.6 Honda (small) Rover Skyline Lotus Elan PH136A64 PH236A64
24.7 Nissan (Datsun)
70 1-1/16 10 1.060 27 Ford PH136A70 PH236A70
72 1 24 1.003 25.4 Honda (big) Integra '92 & up PH136A72 PH236A72
80 1-1/8 10 1.113 28.3 BMW Chevrolet Cosworth Getrag Jaguar Muncie PH136A80 PH236A80
81 1-1/8 21 1.100 28.9 Toyota Supra RWD PH136A81 PH236A81
90 1-1/8 or 1-5/32 26 1.120 28.5 Borg Warner T10 & Super T10 Chevrolet Hewland Jerico PH136A90 PH236A90
97 1-3/8 10 1.384 35.2 BMW Getrag PH136A97 PH236A97
99 1-3/8 10 1.373 34.9 Ford PH136A99 PH236A99
7.25" DISC .200" THICK ORGANIC
Spline # Nominal O.D. (in) # teeth Shaft O.D. (in) Shaft O.D. (mm) Application 1 Disc 2 Disc 3 Disc
12 3/4 18 .740 18.8 Ford Festiva Suzuki Swift PH176A12 PH276A12 PH376A12
32 13/16 24 .775 19.7 Porsche Alfa Romeo Volkswagen Vauxhall PH176A36 PH276A36 PH376A36
40 7/8 10 .875 22.2 MG Midget Imp Triumph Quaife 750 MC Lada PH176A40 PH276A40 PH376A40
41 7/8 20 .875 22.2 Hewland Ford PH176A41 PH276A41 PH376A41
60 1 10 1.0 25.4 Volvo Alfa Romeo Triumph PH176A60 PH276A60 PH376A60
62 15/16 22 .942 23.9 Mazda RX7 PH176A62 PH276A62 PH376A62
63 1 23 1.023 26 Ford Rocket Cosworth MGB Talbot Austin Healy Porsche Xtrac Quaife Mitsubishi PH176A63 PH276A63 PH376A63
64 1 24 1 24.6 Honda (small) Rover Skyline Lotus Elan PH176A64 PH276A64 PH376A64
24.7 Nissan (Datsun)
70 1-1/16 10 1.060 27 Ford PH176A70 PH276A70 PH376A70
72 1 24 1.003 25.4 Honda (big) Integra '92 & up PH176A72 PH276A72 PH376A72
80 1-1/8 10 1.113 28.3 BMW Chevrolet Cosworth Getrag Jaguar Muncie PH176A80 PH276A80 PH376A80
81 1-1/8 21 1.100 28.9 Toyota Supra RWD PH176A81 PH276A81 PH376A81
90 1-1/8 or 1-5/32 26 1.120 28.5 Borg Warner T10 & Super T10 Chevrolet Hewland Jerico PH176A90 PH276A90 PH376A90
97 1-3/8 10 1.384 35.2 BMW Getrag PH176A97 PH276A97 PH376A97
99 1-3/8 10 1.373 34.9 Ford PH176A99 PH276A99 PH376A99
7.25" DISC .250" THICK ORGANIC
Spline # Nominal O.D. (in) # teeth Shaft O.D. (in) Shaft O.D. (mm) Application 1 Disc 2 Disc
12 3/4 18 .740 18.8 Ford Festiva Suzuki Swift PH186A12 PH286A12
32 13/16 24 .775 19.7 Porsche Alfa Romeo Volkswagen Vauxhall PH186A36 PH286A36
40 7/8 10 .875 22.2 MG Midget Imp Triumph Quaife 750 MC Lada PH186A40 PH286A40
41 7/8 20 .875 22.2 Hewland Ford PH186A41 PH286A41
60 1 10 1.0 25.4 Volvo Alfa Romeo Triumph PH186A60 PH286A60
62 15/16 22 .942 23.9 Mazda RX7 PH186A62 PH286A62
63 1 23 1.023 26 Ford Rocket Cosworth MGB Talbot Austin Healy Porsche Xtrac Quaife Mitsubishi PH186A63 PH286A63
64 1 24 1 24.6 Honda (small) Rover Skyline Lotus Elan PH186A64 PH286A64
24.7 Nissan (Datsun)
70 1-1/16 10 1.060 27 Ford PH186A70 PH286A70
72 1 24 1.003 25.4 Honda (big) Integra '92 & up PH186A72 PH286A72
80 1-1/8 10 1.113 28.3 BMW Chevrolet Cosworth Getrag Jaguar Muncie PH186A80 PH286A80
81 1-1/8 21 1.100 28.9 Toyota Supra RWD PH186A81 PH286A81
90 1-1/8 or 1-5/32 26 1.120 28.5 Borg Warner T10 & Super T10 Chevrolet Hewland Jerico PH186A90 PH286A90
97 1-3/8 10 1.384 35.2 BMW Getrag PH186A97 PH286A97
99 1-3/8 10 1.373 34.9 Ford PH186A99 PH286A99

The clutch pack hub combinations shown above are for standard applications. For special combinations where space is limited or input shaft is short, call the factory for a recommendation.

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