4.580" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster H Beam Street /

Speedmaster H Beam Street / Strip connecting rods are manufactured from aircraft quality 4340 Chromoly steel

The belts use a fiberglass cord wound across the entire width of the belts to minimize stretching

Injectors come complete and ready for installation with precision molded o-rings and fine-mesh fuel strainers

this pulley is designed to provide superior durability and efficiency

Get up to four degrees of timing adjustment with Speedmaster adjustable timing pointers

4.580" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster H Beam Street /These 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.