Suits 4 Hole ONLY
302 - 351 - 383 - 393 - 408 Cleveland
289 - 302 - 347 - 351 Windsor

These spacers have been manufactured for the modern fluid, and race steel elastic performance balancers and dampers available on today's market. It allows the proper fitment, and allignment of standard type pulley's to these performance type applications.

They are precision-machined on CNC equipment for a perfect fit, have a 4-bolt pulley pattern, and are available in three thicknesses for different engines.