Wiseco Pistons K1626 3.527" Bore Forged Piston Kit 9.5:1 Compression Harley Davidson 1340

The Wiseco K1626 forged piston kit is engineered for Harley-Davidson 1340 Shovelhead and Evolution engines, delivering high-performance reliability with a 3.527" bore diameter and 9.5:1 compression ratio. These domed pistons are precision-forged from high-silicon aluminum alloy to provide exceptional strength, consistent dimensional stability, and reduced thermal expansion at elevated operating temperatures.

Key Features:

• High-silicon aluminum alloy construction for long service life and durability
• Advanced forging process ensures superior strength and lower expansion under high heat
• Domed piston design optimizes combustion efficiency for improved performance
• Coated skirts reduce friction and minimize wear
• Hastings-style X-Ring package included (.062" top ring, .062" compression ring, .158" oil ring)
• Complete kit includes two forged pistons, rings, chrome piston pins, and circlips

This complete piston kit provides everything needed for a professional rebuild, backed by Wiseco's reputation for precision manufacturing and performance engineering. Ideal for engine rebuilds, performance upgrades, or restoration projects on Harley-Davidson Big Twin motorcycles.