Dart Big M2 Sportsman Iron BB Chev Engine Block with 4-Bolt Iron Cap DA31223654 Product:4.600" Bore, 10.2" Deck, STD Mains Sizes range from 1/4" to

Sizes range from 1/4" to -6AN to 3/4" to -12AN

Stainless Steel o2 Sensor Weld-In BungM10 x 1

suit Electric 2-5/8" gauge

45° NPT to AN Full Flow Adapter 3/8" to -8ANBlue Finish

Dart Big M2 Sportsman Iron BB Chev Engine Block with 4-Bolt Iron Cap DA31223654 Product:4.600" Bore, 10.2" Deck, STD Mains Sizes range from 1/4" toDart Big M2 Sportsman Iron BB Chev Engine Block with 4 Bolt Iron Cap 31223654 DA31223654 4. 600" Bore, 10. 2" Deck, STD Mains DART BIG M2 SPORTSMAN BLOCK 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