Wiseco Sport Compact Series 81.5mm Bore +5 Dome Pistons | Multiple B16/B18 Honda/Acura Fitments (K566M815)

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$683.80 $759.78Instant Savings of 10% ($75.98)

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Own a 1990-2001 Acura Integra 1994-1997 Honda Civic Del Sol or 1999-2001 Honda Civic Si and plan on building a motor? Wiseco is proven to make some of the best pistons on the market! Featuring valve pocket designs that allow maximum flow around valve, also allowing oversized valves ang high lift cams to be utilized and piston crown shapes designed to promote maximum intake charge efficiency thru scavenging mixture "cross flow" during intake and exhaust valve overlap. More fuel and air equals more horsepower! Their pistons are designed to optimize squish or quench during compression combustion cycle event, resulting in resistance to detonation and pre-ignition. The end product is longer engine life and increased horsepower potential.


  • Precision machined ring grooves with proper orifice/accumulator volume.
  • Complex piston skirt profiles that reduce power robbing friction.
  • Piston crown shapes designed to promote maximum intake charge efficiency.


  • Resistance to detonation and pre-ignition.
  • Longer engine life and increased horsepower potential.
  • Providing maximum ring seal and minimizes blow-by and oil consumption.


  • 1990-2001 Acura Integra GS;LS;RS;SPECIAL EDITION;GS-R;TYPE R (B18A1;B18B1;B17A1;B18C1;B18C5;B18A1/B1 With B16A VTEC Head)
  • 1994-1997 Honda Civic Del Sol VTEc (B16A2;B16A3)
  • 1999-2001 Honda Civic SI B16A2)

What's in the box?

  • Wiseco Sport Compact Series Pistons
  • 8150XX Piston rings


PMI warrants that any Product manufactured by PMI will be free from defects in material and workmanship for 30 days following date of original purchase (€œPMI Warranty€�).

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