Mahle MS Chevrolet LS 378cid 4.075in Bore 3.622 Stroke 6.125 Rod 1.304 CH -12.0cc Piston Set of 8

This set includes eight Mahle MS forged pistons, designed for Chevrolet LS engines. These pistons are built to handle the demands of a 378 cubic inch displacement, featuring a 4.075 inch bore and a 3.622 inch stroke. The 6.125 inch connecting rod length and 1.304 inch compression height are key dimensions for achieving the correct engine geometry and performance characteristics.

Mahle is known for its well-built engine components, and this piston set is no exception. Constructed from 2618 aluminum, these pistons are strong and lightweight, crucial for high-performance applications where reducing reciprocating mass is important. The -12.0cc dish volume contributes to a 9.5:1 compression ratio when paired with the appropriate crankshaft and connecting rods, offering a solid balance for street or track use. Each piston weighs in at 461 grams, ensuring consistency across the set for smooth engine operation.

When rebuilding or upgrading your Chevrolet LS engine, using a matched set of pistons from a reputable manufacturer like Mahle is essential for reliability and performance. This set is intended for specific engine builds and requires careful consideration of all associated components to ensure proper fitment and function. Please note that these pistons are not CARB approved and cannot be shipped to California.