PowerTrain Technology
4.5" 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.’.
4.5" 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 3/4 18 .740 18.8 Ford Festiva Suzuki Swift PC116A12 PC216A12 PC316A12 PC416A12
32 13/16 24 .775 19.7 Porsche Alfa Romeo Volkswagen Vauxhall PC116A36 PC216A36 PC316A36 PC416A36
40 7/8 10 .875 22.2 MG Midget Imp Triumph Quaife 750 MC Lada PC116A40 PC216A40 PC316A40 PC416A40
41 7/8 20 .875 22.2 Hewland Ford PC116A41 PC216A41 PC316A41 PC416A41
60 1 10 1.0 25.4 Volvo Alfa Romeo Triumph PC116A60 PC216A60 PC316A60 PC416A60
62 15/16 22 .942 23.9 Mazda RX7 PC116A62 PC216A62 PC316A62 PC416A62
63 1 23 1.023 26 Ford Rocket Cosworth MGB Talbot Austin Healy Porsche Xtrac Quaife Mitsubishi PC116A63 PC216A63 PC316A63 PC416A63
64 1 24 .970 24.6 Honda (small) Rover Skyline Lotus Elan PC116A64 PC216A64 PC316A64 PC416A64
24.7 Nissan (Datsun)
70 1-1/16 10 1.060 27 Ford PC116A70 PC216A70 PC316A70 PC416A70
72 1 24 1.003 25.4 Honda (big) Integra '92 & up PC116A72 PC216A72 PC316A72 PC416A72
80 1-1/8 10 1.113 28.3 BMW Chevrolet Cosworth Getrag Jaguar Muncie PC116A80 PC216A80 PC316A80 PC416A80
81 1-1/8 21 1.100 28.9 Toyota Supra RWD PC116A81 PC216A81 PC316A81 PC416A81
90 1-1/8 or 1-5/32 26 1.120 28.5 Borg Warner T10 & Super T10 Chevrolet Hewland Jerico PC116A90 PC216A90 PC316A90 PC416A90
97 1-3/8 10 1.384 35.2 BMW Getrag PC116A97 PC216A97 PC316A97 PC416A97
99 1-3/8 10 1.373 34.9 Ford PC116A99 PC216A99 PC316A99 PC416A99
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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