Kb Pistons Cast Sportster Piston - Pistons XL 54ci 9.0:1 .020 — Harley-Davidson Sportster 883, Sportster 883 Hugger, Super Low (1986-2019)

KB Pistons cast Sportster piston for 54ci V-twin engines with 9.0:1 compression ratio and .020 oversized bore. Direct replacement or rebuild component for Harley-Davidson Sportster and compatible V-twin platforms.

Features

• Cast piston construction
• 9.0:1 compression ratio
• 0.020 in oversized bore
• Compatible with Sportster engine platforms

Specifications

• Brand: KB Pistons
• Manufacturer Part #: KB408C.020
• UPC: 800745151186
• Compression Ratio: 9.0:1
• Bore Size: 0.020 in oversized
• Engine Displacement: 54 ci
• Weight: 2.5 lbs
• Country of Origin: Mexico

Fitment

Fits V-twin motorcycles with 54ci displacement and compatible Sportster engine platforms.

Frequently Asked Questions

Will this fit my Harley Sportster?

This piston fits 54ci Sportster engines. Verify your engine displacement and block compatibility before ordering.

What does .020 oversized mean?

The bore is 0.020 inches larger than stock. Your cylinders must be bored and honed to this exact size for proper fit.

Is this a cast or forged piston?

This is a cast piston, suitable for street riding and moderate performance builds.

Can I use this in a stock engine?

No — oversized pistons require machine work. Your cylinders must be bored to 0.020 inches over for this piston to fit correctly.