Our Stroker kits are CNC flycut to fit with your big valve heads and aftermarket cams. So you do not need to flycut!
331 SX Rotating Assembly with DSS SX Inline & Twisted Wedge Forged flycut pistons. Includes DSS cast nodular iron 3.25" stroke crank, DSS forged 5.315" I-beam rods w/ ARP bolts, Moly rings, and Tri-metal bearings. This kit is also available balanced to save you time at the machine shop.