Fits 2003 Harley Davidson FLSTFI Fat Boy Piston Kit,br>
Forged from high
silicon aluminum alloy, Innovative forging design, Maximum horsepower and torque, RAD Powersports High
Performance piston kits, Oversize pistons require cylinder sleeving.

Forged from high-silicon aluminum alloy for maximum strength and dependability. Innovative forging design and piston skirt provide maximum horsepower and torque. RAD Powersports High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise). Oversize pistons require cylinder sleeving.