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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
RR BB-O 396 - 502 9
00 Free shipping in the lower 48 states
KC 16 STD 2
5:1 with 9:1 being ideal
600 lift Ford 4
Dart big block Chevy Big M Sportsman 10.2" deck 4.5" bore block #3123454 RR BB-O 396 - 502CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Dart BBC Big M SPORTSMAN BLOCK #3123454 Main Caps: Ductile Iron Standard Main Bearing Diameter Deck Height: 10. 200 Cylinder Bore Diameter: 4. 500 (made to hone to 4. 500) The Dart Big M Sportsman block was designed to be a more affordable version of the highly popular Big M. The Sportsman block is fitted with ductile iron 4 bolt main caps, and features a redesigned lubrication system that oils all of
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