Description
Brian Crower BC0915 stroker kit is designed for Polaris XP Turbo engine builds. The kit includes a fully balanced 4340 billet crankshaft with 72.5mm stroke and 270-degree pin, BC Pro625+ rods with 4.915 inch center-to-center length, and custom CP pistons listed at 93mm bore with 9.5:1 compression. It is a strong rotating assembly upgrade for XP Turbo performance, off-road, and racing applications.