4.250" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster yokes allow the use

Speedmaster yokes allow the use of larger-than-stock U-joints for that higher horsepower application

They provide better piston ring seal

The Ford Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited

562" (40mm) axle shaft

378" (35mm) axle shaft35 spline axles:Requires bearing PCE231

4.250" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster yokes allow the useThese Speedmaster piston oil ring spacers are used in applications where the piston oil ring groove intersects the pinhole. Speedmaster piston oil ring spacers are manufactured from spring steel and install against the bottom sill of the oil ring groove. Available in different bore diameters to suit your specific engine's needs, the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range.