Street machine and limited high performance street use. Best with 5 speed or 2200-2500 stall. 3.40 to 4.10 gears, aftermarket intake and headers.CatalogUser 1This Part Fits:
Fits Ford Small Block Engines originally equipped with "Old" firing order and 351 Windsor engines with the "Windsor" firing order. For factory flat tappet enginesCatalogUser 1