MAN Piston Sets - 4 Cyl

Manley Performance MAN Piston Sets - 4 Cyl High-strength 2618 alloy forgings deliver exceptional durability and fatigue resistance for street, strip, or race applications. Each piston is engineered to withstand high boost, high RPM, and demanding thermal cycles. Premium materials: Domestic 2618 forging for superior toughness and heat tolerance. Wrist pin options: Standard Chrome Moly pins with select SKUs offering 9310 or Turbo Tuff/DLC upgrades for increased wear resistance. Precision ring lands & grooves: Exacting machining ensures optimal ring seal, reduced blow-by, and improved combustion efficiency. Optimized skirt profiles: Cam and barrel (skirt) designs maximize power while minimizing cylinder wall wear and friction. Unique one‑setup fixturing: Skirt turning and ring groove machining in a single operation preserves perfect ring groove-to-skirt squareness for consistent performance. Manley MAN 4-cylinder piston sets are built for enthusiasts and professionals who demand repeatable power, durability, and precision fitment. Ideal for turbo, supercharged, or high-compression builds where reliability and sealing are critical. Choose Manley for: proven metallurgy, tight tolerances, and race-ready manufacturing that keeps your engine running stronger and longer.