Wiseco Pistons K1605 3.437" Bore 9:1 Compression Domed Forged Piston Kit for Harley-Davidson

The Wiseco K1605 forged piston kit is engineered for Harley-Davidson Panhead and Shovelhead engines, featuring a 3.437" bore diameter and 9:1 compression ratio. These domed pistons are precision-forged from high-silicon aluminum alloy to deliver exceptional strength, consistent dimensions, and reliable performance in high-temperature operating conditions.

Key Features:

• High-silicon aluminum alloy construction provides superior durability and dimensional stability
• Advanced forging process ensures greater operating strength with reduced expansion at elevated temperatures
• Coated piston skirts reduce friction and wear for extended engine life
• Hastings-style X-Ring package includes .062" top compression ring, .062" second compression ring, and .158" oil ring
• Complete kit includes two pistons, ring sets, chrome-plated piston pins, and circlips
• Domed design optimizes combustion chamber efficiency for improved performance

Wiseco's high-precision manufacturing standards ensure each piston meets exacting tolerances for optimal fit and reliable operation. This complete piston kit provides everything needed for a professional engine rebuild or performance upgrade on classic Harley-Davidson big twin engines.