Blanchard ground steel insert for 11 inch aluminum flywheels with 20 insert bolt holes These Hays flywheel inserts are made of high-quality steel, and are Blanchard ground for precision. Replaces all Hays steel or bronze flywheels inserts and are complete with nuts and bolts. Features 20 bolt holes
Includes all nuts and bolts for installation
Made from high quality steel and Blanchard ground