Wiseco K0551XS Professional Series Piston Kit Ford 7.3L Godzilla V8 4.220" Bore

The Wiseco K0551XS Professional Series piston kit is engineered specifically for Ford 7.3L Godzilla V8 high-performance and racing applications. This complete 8-piston set features a reverse dome design with -12.50cc volume, 4.220-inch bore diameter, and is built to handle the extreme demands of boosted and naturally aspirated race builds.

Key Specifications:

• Bore: 4.220 inches
• Compression Height: 1.321 inches
• Pin Diameter: 0.99 inches
• Rod Length: 3.976 inches
• Stroke: 1.3121 inches
• Dome Volume: -12.50cc (reverse dome)

Professional Series Features:

• Engineered, forged, and machined in the USA from 2618 aluminum alloy for superior tensile strength and durability in high-boost applications
• ArmorGlide skirt coating provides seizure resistance, reduces friction and operating noise, and minimizes skirt and cylinder wear
• Fully machined crown features and precision ring grooves for optimal sealing and performance
• Strategic lightening operations in non-critical areas reduce reciprocating weight while maintaining structural integrity
• Includes premium piston rings engineered for severe-duty racing conditions

Wiseco's Professional Series pistons are designed for serious racers and engine builders who demand no-compromise performance and reliability. Each piston is manufactured at Wiseco's state-of-the-art facility in Mentor, Ohio, using advanced forging processes that align the aluminum grain structure for maximum strength and fatigue resistance.