Dart Big M² Iron BBC Engine Block, Steel Caps 9.800 Deck 4.600 Bore +.400 Raised Cam - Part 31213645
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Dart Big M² Iron BBC Engine Block, Steel Caps 9.800 Deck 4.600 Bore +.400 Raised Cam is a Big M² cast iron block with steel caps for Big Block Chevy builds. Part 31213645 features a 9.800 in. deck height, 4.600 in. bore, a +.400 in. raised cam location, billet steel 4-bolt main caps, standard mains and 220 BHN Cast Iron. A true racing BBC block with raised +.400 cam location, siamese cylinder walls, priority main oiling, .842 lifter bores, press-fit freeze plugs and a 2-piece rear seal. Big M² parts kit included.
- SKU: DRT31213645
- Part number: 31213645
- Deck height: 9.800"
- Bore size: 4.600"
- Cam location: +.400 raised cam
- Main caps: Billet billet steel 4-bolt main caps
- Mains: Standard
- Material: 220 BHN Cast Iron
Catalog short description: BBC Ir/Blk Big M² 9.800-4.600 +.400 RC
Big M² racing iron block with a +.400 raised cam location, priority main oiling, .842 lifter bores, press-fit freeze plugs and a 2-piece rear seal.