DART BB CHEV BIG M2 SPORTSMAN ENGINE BLOCK , 4.500" BORE, 10.200" DECK, 4-BOLT MAINS Category_RADIATORS Suitable for Aluminium

Suitable for Aluminium

AF42-1250) or

Quick Change V-Band Fitment

180° Full Flow Female AN Coupler

DART BB CHEV BIG M2 SPORTSMAN ENGINE BLOCK , 4.500" BORE, 10.200" DECK, 4-BOLT MAINS Category_RADIATORS Suitable for AluminiumB B Chev Big M2 Sportsman Engine Block, 4. 500" Bore, 10. 200" Deck, 4 Bolt Main Caps Dart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. The Dart Big M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf big block components. The Big M2 is cast from premium high strength Iron and beefed up in all the critical areas. A competition oiling