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CP-Carrillo M5122 Piston Set (M8 - 131ci - 4.310" Bore)

CP-Carrillo M5122 Piston Set (M8 - 131ci - 4.310" Bore)

Regular price $670.00
Regular price Sale price $670.00
Sale Sold out

SKU:M5122

Low stock: 5 left

Descriptions

High-performance forged pistons from CP-Carrillo, engineered for Milwaukee-Eight 131ci big-bore builds. Strong, lightweight, and designed for reliable high-compression power. Ideal for 131ci performance builds wanting strong torque, fast throttle response, and street-reliable power.

Key Features:

  • 4.310” bore
  • 4.500" stroke
  • ~12.0:1 compression ratio
  • 1.080" compression height
  • +0.39cc dome (high-compression)
  • Forged CP-Carrillo piston construction
  • Lightweight design for quick revs
  • Includes wrist pins & rings
  • Laser-etched with Fast Performance Cycles Logo for product validation and streamlined warranty support

Fitment:

  • Harley-Davidson Milwaukee-Eight (2017–2022)
  • 4.310” bore cylinders
  • 131ci builds using 4.500” stroke

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