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Wiseco 90-01 Integra Professional Series 9.0:1 82mm Bore Forged Racing Pistons
Part Number: K542M82

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Wiseco 90-01 Integra Professional Series 9.0:1 82mm Bore Forged Racing Pistons
Part Number: K542M82

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$697.99 & Free Shipping

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Quantity 1 equals 4 pistons

5 In Stock
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Product Details

Part Number: K542M82
Brand: Wiseco
Bore: 82mm
Compression Ratio: 9.0:1
Includes Piston Rings: Yes
Wiseco K542M82 – Sport Compact Pro Tru or Professional Series Forged Piston Set (82.00 mm Bore)

The Wiseco K542M82 is a high-performance forged piston set designed for Honda B-series engines. Available in both the Professional Series and Sport Compact Pro Tru™ variants, it delivers race-grade durability with precise engineering—ideal for street or track builds requiring reliability and power.

Features:
  • High-strength forged construction for racing durability
  • Set of four pistons with premium rings included
  • Designed for 82.00 mm bore applications
  • Compression height of 29.85 mm for optimized combustion
  • 0.8268-inch pin diameter compatible with stock connecting rods
  • Precision-machined for perfect fitment on Honda B18 engines
  • Engineered for heavy-duty and severe racing conditions
  • Part of Wiseco's Professional Series for maximum performance
Benefits:
  • Premium Forged Construction: Crafted in the USA from 2618 aluminum alloy, these pistons offer superior tensile strength to withstand high RPMs and severe duty use.
  • Value-Driven Pro Tru Option: The Sport Compact Pro Tru™ version targets budget-conscious builders who still demand strength and precision. Manufactured with dedicated forgings and CNC machining, these pistons are both lighter and stronger than standard alternatives.
  • Complete Kit with Rings & Pins: These sets come fully assembled with pre-gapped plasma moly ring packages (1/16, 1/16, 3/16) and wrist pins—ready for installation.
  • Advanced Machining for Performance: Features include fully machined crown surfaces, precision ring grooves, anti-detonation grooves, and enhancements for improved ring sealing—supporting durability and efficient combustion.
  • Designed for Honda B-Series Engines: Compatible with popular platforms such as B18A1, B18B1, and others—making it ideal for builds using Integra GS, LS, RS, GS-R, Type R, and Civic Si or Del Sol models.
Specifications
  • Bore Diameter: 82.00 mm
  • Compression Height: 29.85 mm
  • Piston Volume: –2.40 cc (dish design)
  • Part Number: K542M82
  • Series Option: Sport Compact Pro Tru
  • Bore: 82.00 mm
  • Compression Height: 29.85 mm
  • Piston Volume: –2.40 cc
  • Material: Forged Aluminum Alloy (2618)
  • Ring Type: Plasma Moly (1/16, 1/16, 3/16) pre-gapped
  • Includes: Pistons, rings, wrist pins
  • Application: Honda/Acura B-Series Engines
The Wiseco K542M82 is a versatile, race-ready forged piston kit built to meet the standards of both street and track enthusiasts. Whether you opt for the high-end Professional Series or the value-focused Sport Compact Pro Tru, you're getting precision engineering, high-strength materials, and complete kits—all tailored for Honda’s robust B-series engines.

Due to the manufacturer's price control policy, this item may be excluded from promotions and discounts

WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.

Vehicle Fitment

Acura Integra
1990 Acura Integra GS
1991 Acura Integra GS
1992 Acura Integra GS
1993 Acura Integra GS
1997 Acura Integra GS
1998 Acura Integra GS
1999 Acura Integra GS
2000 Acura Integra GS
2001 Acura Integra GS
1992 Acura Integra GS-R
1993 Acura Integra GS-R
1994 Acura Integra GS-R
1995 Acura Integra GS-R
1996 Acura Integra GS-R
1997 Acura Integra GS-R
1998 Acura Integra GS-R
1999 Acura Integra GS-R
2000 Acura Integra GS-R
2001 Acura Integra GS-R
1990 Acura Integra LS
1991 Acura Integra LS
1992 Acura Integra LS
1993 Acura Integra LS
1994 Acura Integra LS
1995 Acura Integra LS
1996 Acura Integra LS
1997 Acura Integra LS
1998 Acura Integra LS
1999 Acura Integra LS
2000 Acura Integra LS
2001 Acura Integra LS
1990 Acura Integra RS
1991 Acura Integra RS
1992 Acura Integra RS
1993 Acura Integra RS
1994 Acura Integra RS
1995 Acura Integra RS
1996 Acura Integra RS
1997 Acura Integra RS
1998 Acura Integra RS
1995 Acura Integra Special Edition
1996 Acura Integra Special Edition
1997 Acura Integra Type R
1998 Acura Integra Type R
2000 Acura Integra Type R
2001 Acura Integra Type R
Honda Civic
1999 Honda Civic Si
2000 Honda Civic Si
Honda Civic del Sol
1994 Honda Civic del Sol VTEC
1995 Honda Civic del Sol VTEC
1996 Honda Civic del Sol VTEC
1997 Honda Civic del Sol VTEC

Engine Fitment

Honda 1.8L/1834CC - 4 Cylinder (B18A1)
Honda 1.7L/1678CC - 4 Cylinder (B17A1)
Honda 1.8L/1797CC - 4 Cylinder (B18C1)
Honda 1.8L/1834CC - 4 Cylinder (B18B1)
Honda 1.8L/1797CC - 4 Cylinder (B18C5)
Honda 1.6L/1595CC - 4 Cylinder (B16A2)
Honda 1.6L/1588CC - 4 Cylinder (B16A3)
Honda 1.8L/1834CC - 4 Cylinder (B18A1)
Honda 1.7L/1678CC - 4 Cylinder (B17A1)
Honda 1.8L/1797CC - 4 Cylinder (B18C1)
Honda 1.8L/1834CC - 4 Cylinder (B18B1)
Honda 1.8L/1797CC - 4 Cylinder (B18C5)
Honda 1.6L/1595CC - 4 Cylinder (B16A2)
Honda 1.6L/1588CC - 4 Cylinder (B16A3)

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