Manley BMW N55/S55 37cc Platinum Series Dish Piston Set

Manley Platinum Series Pistons – Built for Power and Proven to Perform

Manley’s Platinum Series pistons are trusted by top engine builders and tuners for delivering unmatched performance, strength, and reliability. Precision-machined from domestic 2618 aluminum alloy forgings, these pistons are engineered for high-horsepower street and race engines. Each set is built with cam and barrel skirt profiles, tool steel wrist pins, and moly-coated skirts on select part numbers to reduce friction and wear under extreme conditions.

Whether you're building for turbocharged, supercharged, nitrous, or high-compression applications, the Platinum Series offers a race-proven solution that holds up under the toughest loads.

Key Features & Benefits

• 2618 Alloy Forgings
  Premium U.S.-sourced 2618 aluminum ensures superior strength and fatigue resistance in high-stress environments.

• Chrome Moly Wrist Pins
  Heavy-duty wrist pins are included standard, with upgrades available to 9310 alloy or Turbo Tuff/DLC-coated options for extreme-duty use.

• Precision Ring Lands & Grooves
  Exact machining tolerances provide superior ring seal, improved oil control, and maximized cylinder pressure for more power.

• Cam and Barrel Skirt Profiles
  Engineered to reduce friction while maintaining stable wall contact—ideal for high-RPM abuse and longevity.

• One-Step Fixturing Process
  Exclusive Manley machining ensures perfectly square ring grooves to skirts in a single operation, enhancing consistency and sealing.