Carrillo M5150 High-Performance Pistons for Harley Milwaukee Eight 143ci

The Carrillo M5150 high-performance piston set is precision-engineered for 2017-2022 Harley-Davidson Milwaukee Eight engines with 143 cubic inch displacement. Manufactured by CP-Carrillo, these pistons deliver exceptional strength, reliability, and performance for both street and racing applications.

Key Specifications:

• Displacement: 143 cubic inches
• Bore: 4.500 inches
• Stroke: 4.500 inches
• Compression Ratio: 11.0:1
• Compression Height: 1.080 inches
• Material: Forged 2618 high-strength aluminum alloy

Premium Features:

• Fully CNC machined for precise tolerances and consistent performance
• Balanced to +/- 1 gram for smooth engine operation
• Double forced pin oilers for enhanced lubrication and durability
• Forged from aerospace-grade 2618 alloy for maximum strength-to-weight ratio
• Advanced cam and barrel skirt profiles for reduced friction
• Flattest ring grooves possible for optimal sealing

Complete Kit Includes:

• Two forged pistons
• Ring sets with pre-gapped rings
• Wrist pins
• Circlips
• Installation instructions with clearance specifications

Designed for maximum performance, horsepower, and reliability, these CP-Carrillo pistons are compatible with both stock tapered and aftermarket H-beam connecting rods. The 11.0:1 compression ratio provides excellent power delivery while maintaining pump gas compatibility, making these pistons ideal for riders seeking serious performance gains without sacrificing street manners.