PART REFERENCE SHEET

"BIG M" IRON SPORTSMAN BIG-BLOCKS
Part #
Matl.
Description
Main
Main Bearing
Deck
Cyl. Bore
Caps
Dia.
Height
Dia.
31273344
Iron Big M Sportsman Ductile Std. 9.800 4.250
31273354
Iron Big M Sportsman Ductile Std. 10.200 4.250
31273444
Iron Big M Sportsman Ductile Std. 9.800 4.500
31273454
Iron Big M Sportsman Ductile Std. 10.200 4.500
31273644
Iron Big M Sportsman Ductile Std. 9.800 4.600
31273654
Iron Big M Sportsman Ductile Std. 10.200 4.600