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Wiseco K0169X4 Ford 302/351 Windsor Forged Piston Set -32cc Dish Inline Valve 4.040in Bore

Manufacturer

Part Number

K0169X4
Sale Price

$1,047.99

Estimated ship date Thursday, November 19

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Product Details

The Wiseco K0169X4 is a Professional Series forged piston set engineered specifically for Ford 302 and 351 Windsor small block engines equipped with inline-valve cylinder heads. Featuring a -32cc dish crown, these pistons are purpose-built for high-performance street and race applications using popular aftermarket head packages.

Head Compatibility:

  • Trick Flow Specialties (TFS) High Port
  • AFR (Air Flow Research)
  • DART
  • Brodix Track 1
  • Canfield
  • Ford Racing Z304
  • Edelbrock Performer and Victor Jr.
  • Profiler, Stock, GT40, and GT40X

Key Specifications:

  • Bore: 4.040 in.
  • Stroke: 4.000 in.
  • Rod Length: 6.200 in.
  • Compression Height: 1.280 in.
  • Deck Height: 9.5 in.
  • Crown Volume: -32cc Dish
  • Valve Pockets: 0.350 in. / 0.250 in.
  • Top Land: 0.300 in. – 0.260 in.
  • Wrist Pin: S424 (0.927 in. x 2.500 in., included)
  • Ring Pack: Premium 1.2mm / 1.2mm / 3.0mm GFX rings included
  • Material: Forged 2618 high-strength aluminum alloy
  • Set Quantity: 8 pistons

Performance Features:

  • ArmorGlide skirt coating for seizure resistance, friction reduction, and quieter operation
  • Anti-detonation groove and pressure seal groove for superior ring seal and carbon control
  • Precision-machined ring grooves and fully machined crown features
  • Strutted skirt design for maximum strength with minimal clearance requirements
  • Radiused valve pockets for detonation resistance and improved flow around valves
  • Forced pin oiling for wrist pin longevity under severe duty conditions
  • Engineered, forged, and machined in the USA

The K0169X4 is a build-on-demand piston set designed for serious engine builders targeting high-performance street, strip, or forced-induction Ford small block applications. The -32cc dish configuration allows for compression ratio flexibility when paired with popular high-port aftermarket cylinder heads.

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