Pay in 4 interest-free payments of $775.37 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Maximum open spring pressure 450lbs
550 TI RET MAKE OFFER PER 2
640 flat tappet or
Cast aluminum mounting bracket with all necessary hardware
It features a new 16 degree valve angle
Dart BBC Big M Sportsman ductile cap 9.8" deck 4.6" bore .842" block #31223644 Maximum open spring pressure 450lbsCALL SHANON AT 507 445 3235 FOR ANY QUESTIONS. Dart BBC Big MSPORTSMAN BLOCK #31223644 Main Caps: Ductile Iron Standard Main Bearing Diameter Deck Height: 9. 800 Cylinder Bore Diameter: 4. 600 (made to hone to 4. 600) 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 the