Often confused with the 351 Windsor (named after ... Moreover, the cylinder heads of the 351C were nearly identical to those of the high-performance Boss 302 small block, though they featured ...
302 vs 351 heads: While 289/302 and 351 cylinder heads ... One-Piece vs 2-Piece Ford Windsor Rear Main Seals Rear Main Seals: Ford small blocks made before 1982 used a two-piece rear main seal ...