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Wiseco Honda Turbo F-TOP 1.176 X 81.0MM Piston Shelf Stock

SKU: WIS6542M81

Pistons

WIS Single Pistons

Wiseco Honda Turbo F-TOP 1.176 X 81.0MM Piston Shelf Stock

SKU: WIS6542M81

Pistons

WIS Single Pistons

A$370.48
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco's Professional Series.

Product Overview

World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines. Wiseco’s Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state-of-the-art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards. Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.


Features and Benefits

  • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strengthArmorGlide? Skirt Coating: seizure resistant, friction reduction, and quieter operationFully machined crown featuresPrecision ring grooves, anti-detonation groove, and additional ring seal improving featuresForced pin oilingDesigned and built to withstand heavy to severe duty performance applications

Product Details

Bore Diameter:81.00
Bore:81mm
Category Hierarchy:Auto>Pistons>Individual Pistons>Sport Compact
Comp Height:29.85
Comp Ratio:9.8:1
Compression Height:1.1751
Description:Pro Tru Pistons; Sport Compact Series; Replacement/Individual Piston; Recommended RingSet: 8100XX; Rings & Pins Included
Dome Volume:-2.4 FT
Engine - Web:B Series
Engine Detail:Honda B16
Engine Type:ICE
Engine:B16
Forging Type:FLAT
Gram Weight:268
Industry:Automotive
Make - Web:Honda
Make:Honda
Oil Ring Thickness:3
Out of Stock Message:Estimated Shipped Date 3-4 Weeks
Part Number:wis6542M81
Piston Material:2618
Piston Quantity:1
Piston Volume:-2.40
Product Market:Sport Compact
Product Series:Professional
Product Type:Engine Piston
Prop 65 (C, R or CR):CR
Prop 65 - Short Label:Prop 65 Warning Label.JPG
Prop 65 Yes/No:Yes
Ring Set Included:Yes
Rod:138
Second Compression Ring Thickness:1.2
Skirt Coating:Yes
Stroke:87.2
Title - Web:Professional Honda B16 Piston - 81.00 mm Bore - 1.1751 .in CH, -2.40 CC
Title:Wiseco - Honda, B16, 81.00 mm Bore, Piston
Top Compression Ring Thickness:1
Wrist Pin Included:Yes
Wrist Pin Material:5115
Wrist Pin Outer Diameter:0.8268
Wrist Pin Style:Floating

Application Summary

Honda B18

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-09-30 17:35:33

Features

  • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
  • Designed and built to withstand heavy to severe duty performance applications
  • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
  • Forced pin oiling
  • Fully machined crown features
  • Precision ring grooves, anti-detonation groove, and additional ring seal improving features

Specifications

Product Attributes - Brand
Wiseco
Product Attributes - Manufacturer's Part Number
6542M81
Product Attributes - Part Type
Pistons
Product Attributes - Product Line
Wiseco Sport Compact Pistons
Product Attributes - UPC
00193564465627
Product Attributes - Piston Rings Included
No
Product Attributes - Bore (in.)
3.189 in.
Product Attributes - Bore (mm)
81.000mm
Product Attributes - Piston Style
Flat top, with four valve reliefs
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Compression Height (in.)
1.175 in.
Product Attributes - Piston Head Volume (cc)
+4.00cc
Product Attributes - Wrist Pin Style
Press-fit or floating
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Wrist Pin Included
Yes
Product Attributes - Pin Diameter (in.)
0.827 in.
Product Attributes - Piston Ring Thickness
1.00mm x 1.20mm x 2.80mm
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Wiseco
StreetFX SKU wis6542M81
SFX Item ID 4064322
Supplier Item Code 4064322
Manufacturer SKU 6542M81
Manufacturer UPC 193564465627
Alternative References 81.0MM

Compatibility

Honda B18

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