Shop › Shaft, 12" Long, 3/4" 48 Spline Image 1 of 1 Shaft, 12" Long, 3/4" 48 Spline $29.95 Splined shafts in various lengths and splines to fit most rack and pinion couplers. Splined on one end only. Add To Cart Added! Splined shafts in various lengths and splines to fit most rack and pinion couplers. Splined on one end only. C-117-2611-0 You Might Also Like Aluminum Billet Steering Damper Mount $59.95 EMPI Cam .462/264D $85.95 Turning Brake, Single Handle, Upright, 3/4" Bore $199.95 Threaded Bung, 3/4"-16 Right Hand Thread, 1" x.120 2 3/8" Long, Each $10.95 Universal Seat Slider & Mounting Plate Pr. (1-seat) $110.95