This is a A-6671039 Transmission Disc, 9 1/4", Organic, Dampened PN: 6671039Main Description As Following : A-6671039 Transmission Disc; 9 1/4", Organic, Dampened P.N: 6671039 Spline Count: 10Spline Diameter: 1.0625" Found in Section & Models : Clutch Parts > Single Clutch, Spra-Coupe SPRAYER: 3430, Spra-Coupe SPRAYER: 3630 Associated Items : A-6671038 Also This is An Aftermarket Product And : Spline Count: 10 Spline Diameter: 1.0625"