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Wiseco Acura Turbo -12cc 1.181 X 81.5MM Piston Kit

SKU: WISK541M815AP

Pistons

WIS Piston Sets - 4 Cyl...

Wiseco Acura Turbo -12cc 1.181 X 81.5MM Piston Kit

SKU: WISK541M815AP

Pistons

WIS Piston Sets - 4 Cyl...

A$1,667.75
IN STOCK! Est Ship 3-5 days. In stock at 1 location (7 available)

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Description

Wiseco Acura Turbo -12cc 1.181 X 81.5MM Piston Kit

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.

Additional Information

Wiseco Honda B18 Piston Set, 81.50 mm Bore, 30.00 mm Compression Height, 0.827 in. Pin Diameter, Sport Compact, Set of 4.

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-11-09 07:42:35

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

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 12:05:40

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: piston)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wiseco, WISECO-PRO TRU
StreetFX SKU wisK541M815AP
SFX Item ID 4063377
Accounting SKU wis-K541M815AP
Manufacturer SKU K541M815AP
Manufacturer UPC 00193564074867
Alternative References K541M815AP, WIS-K541M815AP

Piston and Ring Kit, Forged, Dish, 81.50mm Bore, for use on Acura®, 1.8L, Kit

Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Wiseco's advanced forging process and extensive heat-treating and finishing processes ensure the performance and reliability that you demand from your engine. These kits' crown thickness and ring lands are designed for power-adders like turbos and blowers and nitrous oxide. They come complete with high-quality piston rings. Whether you're on or off of the street, you can depend on the maximum strength and minimum variance of Wiseco's aluminum-forged pistons for your sport compact vehicle. Choose the kit recommended for your make and engine application.

Product Attributes
UPC00193564074867
BrandWiseco
Stroke3.504 in.
GaplessNo
File FitYes
QuantitySold as a kit.
Bore (mm)81.500mm
Part TypePistons
Bore (in.)3.209 in.
Rod Length5.394 in.
Piston StyleDish, with four valve reliefs
Product LineWiseco Sport Compact Piston and Ring Kits
Piston MaterialForged aluminum
Wrist Pin StylePress-fit or floating
Oil Ring TensionStandard
Oil Ring MaterialStainless steel
Top Ring MaterialSteel
Oil Ring Thickness2.8mm
Pin Diameter (in.)0.826 in.
Top Ring Thickness1.0mm
Wrist Pin IncludedYes
Second Ring MaterialCast iron
Piston Rings IncludedYes
Second Ring Thickness1.2mm
Piston Head Volume (cc)+12.00cc
Compression Height (in.)1.181 in.
Top Ring Facing MaterialGas nitrided
Manufacturer's Part NumberK541M815AP
Second Ring Facing MaterialPhosphate coated
Wrist Pin Retainers IncludedYes

Manufacturer Attributes
Piston Volume -12.00
Piston Material 2618
Compression Height 30.00
Piston Quantity 4
Bore Diameter 81.50
Category Hierarchy Auto>Pistons>Piston Kits>Sport Compact
Industry Automotive
Engine - Web B Series
Engine B18
Product Type Engine Piston Set
Make Honda
Make - Web Honda
Engine Type ICE
Product Series Professional
Title - Web Professional Honda B18 Piston Set - 81.50 mm Bore - 30.00 mm CH, -12.00 CC
Product Market Sport Compact
Forging Type Strutted
Title Wiseco - Honda, B18, 81.50 mm Bore, Piston Set
Skirt Coating Yes
Engine Detail Honda B18
Oil Ring Thickness 2.8
Ring Set Included Yes
Second Compression Ring Thickness 1.2
Top Compression Ring Thickness 1.0
Wrist Pin Included Yes
Wrist Pin Material 5115
Wrist Pin Outer Diameter 0.827
Wrist Pin Style Floating
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Manufacturer Designation Piston Set, Honda, B18, 81.50 mm Bore, Sport Compact, Set of 4
Product Class Engine Piston Set
Construction/Type Wiseco Honda B18 Piston Set, 81.50 mm Bore, 30.00 mm Compression Height, 0.827 in. Pin Diameter, Sport Compact, Set of 4.
Vehicle Designations Honda B18 LS VTEC
Product Outline <ul><li>Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength</li><li>ArmorGlide? Skirt Coating: seizure resistant, friction reduction, and quieter operation</li><li>Fully machined crown features</li><li>Precision ring grooves, anti-detonation groove, and additional ring seal improving features</li><li>Forced pin oiling</li><li>Designed and built to withstand heavy to severe duty performance applications</li></ul>
Vehicle Brief Acura Turbo -12cc 1.181 X 81.50mm
Market 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.

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