3-5/8" bore cylinders for with 103" engines and S&S Super Stock® cylinder heads. This kit includes cylinders and pistons. 5.750" cylinder length for 5" stroke. 10.4:1 compression ratio. For 1984–'99 big twins
Natural. . . . .91-7407
Black. . . . 91-7907
Stock crankcases must be machined to accommodate the larger spigot diameter.
