RED- LS 4.000" STROKE FLAT TOPS

RED series forged pistons use Race Engineered Design for strength and durability in performance engines, with precision-machined features for a competitive edge. Available for popular domestic V8 platforms, ideal for drag racing to circle track. Engineered, forged, and machined in the USA from 2618 aluminum for tensile strength in performance racing and power adder applications. Dedicated forgings for optimized, engine-specific strutted design to maximize strength-to-weight. ArmorGlide™ skirt coating reduces operating friction, noise, and skirt/cylinder wear. Horizontal slot oiling in pin bores maintains optimal wrist pin and small-end lubrication. Accumulator groove helps maintain consistent ring seal and power. Includes premium rings. Bore: 4.070 In.