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supertech

P4-HK8650-N6

Supertech High Performance Forged Pistons w/Rings - K-series

WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov

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Supertech pistons are manufactured from extruded high silicon, enhanced 4032 alloy that low thermal expansion, excellent wear resistance and higher thermal conductivity. A phosphate dry lubricant coating is applied to pistons to protect against ring micro welding and enhance skirt lubrication.

Features:

  • Forged from enhanced 4032 alloy and CNC machined
  • Contact reduction grooves are standard
  • Honed & reamed pin bores and precise fit
  • High tensile strength and evenly distributed hardness
  • Withstands up to 42psi of turbo boost, w/alcohol, w/out any problems
  • A 2 or 3 forging steps process yeilds a fine structural grain oriented in fibers in the same direction of the stresses.
  • Wrist pins are constructed or cold extruded chrome molly steel for high strength to be used with the wire clip locks.
  • Quality Control is performed after every step of the manufacturing process in climate controlled environments to ensure reliability of dimensions
  • Rings, wrist pins, and wire locks are included.


Please refer to this K-series engine application list for part number referencing in the pull-down menu:


K
-series

  • K20A/A2/Z1/Z3 (+.07 w/K20A3 Head)
  • K20 - 86.02mm / 9.0cr : P4-HK86-N6
  • K20 - 86.02mm / 11.2cr : P4-HK86-P6
  • K20 - 86.02mm / 12.0cr : P4-HK86-P11
  • K20 - 86mm / 12.5cr : P4-HK86-P15
  • K20 - 86.5mm / 9.0cr : P4-HK8650-N6
  • K20 - 86.5mm / 11.2cr : P4-HK865-P6
  • K20 - 86.5mm / 12.1cr : P4-HK8650-P11
  • K20 - 86.5mm / 12.5cr : P4-HK8650-P15
  • K20 - 87mm / 11.5cr : P4-HK87-P8
  • K20 - 87mm / 12.5cr : P4-HK87-P15

  • K24A2 w/K20 Head
  • K24A2 - 87mm / 11.5cr : P4-HK87-N0
  • K24A2 - 87mm / 12.5cr : P4-HK87-P4
  • K24A2 - 87mm / 13.2cr : P4-HK87-P8
  • K24A2 - 87.5mm / 12.5cr : P4-HK875-P4
  • K24A2 - 88mm / 12.5cr : P4-HK88-P4
  • B20 - 86.5mm / 13.5cr : P4-H8650-P8