Ford Windsor SHP Engine Block, 4.125" Bore, 351C Mains, 9.500" Deck DA31375235 Borgeson while the secondary hole is

while the secondary hole is made to accept a smaller 1/2" socket cap bolt so it will fit almost any manufacturers coil over mounts without modification

EFI or Carbureted

either on the high or low end of the scale

4mm (1”) ID rubber grommets to suit 31

Black Air Filter Assembly9" x 4"

Ford Windsor SHP Engine Block, 4.125" Bore, 351C Mains, 9.500" Deck DA31375235 Borgeson while the secondary hole isFord Windsor SHP Engine Block, 4. 125" Bore, 351C Mains, 9. 500" Deck 31375235 DA31375235 SBF SHP IRON BLOCK 4. 125" BORE The SHP Ford block is tailored to the most popular performance and racing applications, with an 8. 200 (302), 9. 200 (351c) or 9. 500 (351w) deck height and a choice of 4. 000 or 4. 125 siamesed cylinder bores which can safely be bored to 4. 185. Steel main caps are splayed 4 bolt on the center three and 2 bolt on #1 and #5, and