Its getting harder to find flatheadFits Ford clutch components. We can help you resolve this problem with our 10-1/2" clutch discs for the flathead Fits V8. These premium organic clutch friction discs are for use with flatheadFits Ford Fits V8 to Camaro T-5 transmission conversions. Flathead 10-1/2 Inch Clutch Disc 1-1/8 Inch 26-Spline. EarlyFits Ford Flathead. Camaro T-5 transmission conversions. Warning: Not for use with 11"Fits Ford Truck pressure plate. Clearence of adapter may be required with pressure plates larger than 9". Speedway pressure plate 91015635 is without weights and provides extra clearance. T-5 transmissions may require drilling mount ears to 1/2". Item Details1-1/8" is O.D. of spline