Build your dream LS engine with the same battle-tested parts trusted in top LS builds, now available as a precision-balanced rotating kit! Whether you're chasing quarter-mile glory or building a street beast, our kits are tailored to your goals. Pick your horsepower target, match it to your LS block (LS1, LS3, or LS7), choose your crankshaft stroke, and select pistons to hit your compression sweet spot. Every kit comes with race-ready coated tri-metal bearings and piston rings optimized for y...

Build your LS engine with confidence using this precision-balanced rotating assembly kit, loaded with high-performance components to match your horsepower goals. Whether you're planning an 800hp street build or a 1700hp drag monster, each rotating kit is tailored to your bore, stroke, and piston volume. Every crankshaft is digitally balanced on a Hines Legend balancer to ensure smooth, dependable power delivery. Kits include coated tri-metal main and rod bearings, plus piston rings selected t...