Wiseco K0165X4 Ford Windsor Flat Top Forged Piston Kit TFS Twisted Wedge - 302/351 7.5cc

The Wiseco K0165X4 is a forged flat top piston kit engineered specifically for Ford 302 and 351 Windsor small block engines paired with Trick Flow Specialties (TFS) Twisted Wedge cylinder heads. Featuring a -7.5cc dish volume and a 1.165" compression height, this piston is purpose-built to deliver optimal compression ratios and reliable power in high-performance street and racing applications.

Key Features:

• ArmorGlide® skirt coating for reduced friction and improved wear resistance
• 2618 high-strength aluminum alloy forging for superior strength under boost and high heat
• Premium 1.2mm / 1.2mm / 3.0mm GFX ring set included for excellent sealing and reduced blow-by
• Anti-detonation and pressure seal grooves for added reliability under demanding conditions
• Specially designed valve pockets (.350" / .250") compatible with TFS Twisted Wedge head geometry
• Strutted skirt design for strength-to-weight optimization
• Wrist pin included: Part #S424 — .927" x 2.500"
• -7.5cc flat top crown for efficient combustion chamber fill
• Compression ratio at 54cc head: ~10.5:1 (varies with gasket and deck height)

This is a Build on Demand piston kit, allowing for precise bore sizing to match your specific engine build requirements. Wiseco pistons are engineered, forged, and CNC-machined in the USA at their Mentor, Ohio facility, ensuring top-tier quality for performance and racing builds. Rings, wrist pin, and clips are included for a complete piston assembly.