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 Clamp Nut, 7/8" Shaft $20.95 Threaded Bung, 3/4"-16 Left Hand Thread, 1" x.120 2 3/8" Long, Each $10.95 Shock Boss, Unthreaded 12mm, 1 3/4" Long $4.95 OE Brand 041 Dual Port Cylinder Head 85.5/87mm .40 Intake Valves $289.95 Sold Out Billet Aluminum Ignition Coil Mount $32.95