Dart B.B. Chevy Big M .842" lifter bore 9.8"deck 4.25" bore block #31213344

Dart BBC Big M Block #31213344

Billet Steel Main Caps

Standard Main Bearing Diameter

Deck Height 9.800

Cylinder Bore Diameter 4.250 (made to hone to 4.250)

SHIPPING TO A BUSINESS IN THE LOWER 48 STATES WITH MEANS TO UNLOAD IS FREE! ADD 34.00 SHIPPING AND 84.00 LIFT GATE.

CALL SHANON AT 507 445 3235 FOR ANY QUESTIONS.

CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER