Wiseco K0173X6 Ford 302/351 SBF -22cc Reverse Dome Forged Piston Kit 4.060 Bore

The Wiseco K0173X6 is a Professional Series forged piston kit designed for Ford 302/351 Small Block Windsor engines running forced induction. Featuring a -22cc reverse dome (blower/turbo dish) crown design and a 1.165" compression height, this kit is engineered to reduce compression ratio to safe levels for supercharged and turbocharged applications. The bore size for this kit is 4.060".

Key Features:

• -22cc Reverse Dome / Blower-Turbo Dish crown optimized for forced induction builds
• 1.165" compression height for proper deck clearance in 302/351 Windsor applications
• 4.060" bore diameter
• 2618 high-strength aluminum alloy forging for superior strength under high-boost conditions
• ArmorGlide® skirt coating reduces friction and promotes longer piston life
• Anti-detonation and pressure seal grooves for enhanced ring seal integrity
• Strutted skirt design for optimal stability and reduced weight
• Precision-machined ring grooves for consistent ring seal
• Stroke: 3.250" | Rod Length: 5.400" | 0 Deck at: 8.190" | Std. Deck Height: 8.200"
• Pin Part #S424 included: .927" x 2.500"
• Ringset (4047GFX) — rings sold separately (1/16", 1/16", 3/16")
• Compression Ratio at 54cc chamber: ~8.9:1 | At 58cc: ~8.5:1 | At 60cc: ~8.4:1 | At 62cc: ~8.2:1

Engineered and manufactured in the USA at Wiseco's Mentor, Ohio facility, these forged pistons deliver the strength and precision demanded by high-performance street and race engine builders. Rings are sold separately — see Wiseco ringset 4047GFX for the correct ring package.