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The Speedmaster shift selector shaft uses an O-ring to prevent leakage from GM TH400 cases
Speedmaster billet main caps are precision CNC-machined from superior-quality 1025 billet steel
is available in many front and rear axle applications including both solid axle and IFS / IRS configurations
Speedmaster has chosen the most popular diameters for their pulleys
4.250" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 The Speedmaster shift selector shaftThese 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.
