Vertex 23121B Cast Replica Piston Kit - Standard Bore 66.35mm, Standard Compression riding-apparel-jerseys-offroad 1989-1993 Harley Davidson FLHS Electra

1989-1993 Harley Davidson FLHS Electra Glide Sport

2017-2023 Indian Chieftain Limited

Born from the legendary Sena SMH5

Bore - Standard: 70

Vertex 23121B Cast Replica Piston Kit - Standard Bore 66.35mm, Standard Compression riding-apparel-jerseys-offroad 1989-1993 Harley Davidson FLHS ElectraBore: 66. 35mm Compression: Standard Compression Sizing: Standard Bore All piston skirts are coated with a hi tech Molybdenum Disulphite coating for faster break in time and increased piston life. Cast Replica piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston. Forged Replica pistons are forged from 2618 aluminum for superior strength and durability. Forged High