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Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock Wiseco WIS6542M815
Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock Wiseco WIS6542M815
Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock Wiseco WIS6542M815
Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock Wiseco WIS6542M815
Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock Wiseco WIS6542M815
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Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock

Wiseco
WIS6542M815
193564087324
Pistons - Forged - Single
1 Units In Stock - Ships Next Business Day
$ 215.06 $ 214.99
$ 214.99

SKU: 6542M815 | UPC: 193564087324

Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock for 1990-2001 Acura Integra and 1994-2000 Honda Civic

Professional Series forged racing pistons from Wiseco deliver custom-level performance for serious racers and engine builders. This 81.5mm bore piston fits Honda B16 and B18 VTEC engines in select Acura Integra GS, GS-R, Type R, LS, RS models and Honda Civic Si, Civic del Sol VTEC. Built for heavy to severe duty turbocharged race applications with premium rings included to handle high boost and RPM.

Key Features

  • Forged 2618-T6 Aluminum: High-strength alloy endures extreme heat, pressure, and boost in turbo setups without failure
  • Flat Top Design: Turbo-optimized F-TOP crown supports low compression ratios around 8.5:1 for safe high-boost operation
  • Precision Specs: 81.5mm bore, 1.176-inch (29.87mm) compression height, 0.866-inch (22mm) wrist pin, 87.2mm stroke compatibility
  • Premium Ring Pack: Thin top ring with moly face coating, nitrided second ring, and three-piece oil ring for tight seal and low drag
  • ArmorGlide Skirt Coating: Molybdenum-infused coating cuts friction, galling, and scuffing for longer life in severe race conditions

Product Notes

  • Cylinders require boring and honing to 81.5mm with finish hone per Wiseco guidelines
  • Rings pre-gapped. verify end gaps during assembly for specific boost levels
  • Single piston packaging. order four for complete set with matching specs

Installation Notes

  • Professional installation recommended.
  • Bore cylinders to 81.500mm with G-sized hone for proper clearance
  • Compatible with OEM or aftermarket 138mm rods and 22mm pins. circlips included

This Part Fits

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

Why Choose Wiseco?

  • Over 50 years crafting pistons for NHRA, drag, and road racing champions
  • No-compromise build quality for heavy-duty race engines that last
  • CNC-machined in the USA with tolerances holding under 0.0002 inches

Frequently Asked Questions

  • Q: Does this fit B18C1 GSR or B18C5 Type R engines?
    A: Yes, direct fit for B18C1, B18C5, B16A, B16B VTEC engines in listed Acura Integra and Honda Civic del Sol Si models after boring to 81.5mm
  • Q: What material and coatings are used?
    A: Forged 2618-T6 aluminum with ArmorGlide molybdenum skirt coating and premium moly-faced rings for boost-ready durability
  • Q: Are rings, pins, or clips included?
    A: Premium ring set included. 22mm chromoly wrist pins and spiro-locks sold separately or available in full kits

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Protective foam-lined box 3 x 3 x 6 inches
  • Weight: 0.70 lbs product | 0.80 lbs shipping

Request For Information

Have questions about Wiseco Honda Turbo F-TOP 1.176 X 81.5MM Piston Shelf Stock? Fill out the form below and we'll get back to you by the next business day.
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