6562-C ARC Billet Crankshaft: B&S Model 28 (stock stroke) (2) ARC Billet Crankshaft 3.06" stroke(stock stroke) for the Briggs Mod 28 flathead Vertical shaft engine. The 6562-C is made from 4340 Hardened Chromoly Steel. It is balanced by design to eliminate the need for Synchro-Balance systems... $516.00 Add to Cart The item has been added Compare