Manley 93-99 Mitsu 4G63 86mm Bore 94mm Stroke 8.5 CR -17cc Dish Piston Set w/ Ring

Manley pistons are machined of high strength 2618 material, lightweight yet robust for long service life. They feature an offset wrist pin design for quiet start-ups and perfect ring groove to skirt squareness for maximum horsepower. Included are moly coated skirts, round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal. 9310 alloy upgraded wrist pins are available. Key features include 2618 alloy forging for high temperature strength, "Contour forgings" for optimal strength-to-weight balance, a proprietary multi-step top ring groove machining process, and precise pinhole machining.