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Supertech K-Series 88mm 12.5:1 Pistons-A1
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Supertech K-Series 88mm 12.5:1 Pistons

Part Number: P4-HK88-P4

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$453.32 & Free Shipping

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Quantity 1 equals 4 pistons

4 In Stock

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Supertech 88mm Bore 12.5:1 Compression Pistons for Acura/Honda K-Series Engines
  • Manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni & Mg) that has low thermal expansion and features excellent wear resistance.
  • Withstood up to 42psi of turbo boost with alcohol, without any problems.
  • 2 or 3 step forging process that yields a fine structural grain orienting the fibers in the same direction of the stress.
  • Several heat treatments for an evenly distributed hardness and extremely high tensile strength.
  • Goes through several machining steps specifically designed to ensure dimensional precision, perpendicularity and flatness of the ring grooves.
  • Reduction grooves
  • Honed and reamed pin bores for the most precise fit
  • Wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks
  • Rings are not included - requires Supertech 88mm Piston Rings (GNH8800)
  • Bore: 88mm[1.0mm+ Oversized]
  • Comp Height: 1.181" (30mm)
  • Comp Ratio: 12.5:1
  • Dome/Dish Volume CCs: 4
  • Pin Diameter: 22mm (.866")
  • Pin Weight: 76grams
  • Piston Weight: 315grams
  • Rod Length: 5.984"
  • Skirt Style: Slipper Style
  • Stroke: 3.897"


Brand: Supertech
Part Number: P4-HK88-P4

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