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Wiseco Groove Lock Spacer 4.002-4.060inch Oil Rail Support Shelf Stock

SKU: WISGLS25

Piston Oil Ring Spacers

WIS Groove Lock Spacers...

Wiseco Groove Lock Spacer 4.002-4.060inch Oil Rail Support Shelf Stock

SKU: WISGLS25

Piston Oil Ring Spacers

WIS Groove Lock Spacers...

A$24.63
IN STOCK! Est Ship 3-7 Days days. In stock at 1 location (10 available)

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Description

Wiseco Groove Lock Spacer 4.002-4.060inch Oil Rail Support Shelf Stock

Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. Wiseco Groove Lock Spacers are engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco's Mentor, Ohio manufacturing facility.

Additional Information

Wiseco, Groove Lock Spacer - 4.000 - 4.037 in. Bore

Part Type

Engine Piston Ring

Product Overview

Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. The Wiseco crew shares the same level of dedication to motorsports as their customers and are focused on continually refining the quality and practices it takes to exceed expectations. Engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco?s Mentor, Ohio manufacturing facility, Wiseco pistons are the undisputed leader in quality and performance. Wiseco Performance Products, built for racers, by racers.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:43:38

Data: v4.2 - Upd: 2026-11-08 13:53:54

Features

Important Note Regarding Oils, Additives, Aerosols & Liquids

This listing may contain a product with transport restrictions. Items containing oils, additives, aerosols, adhesive or other liquid/chemical-based products may be subject to shipping restrictions depending on their current warehouse location, carrier requirements, and applicable transport regulations.

Some liquid and aerosol products are restricted for air freight or certain road freight routes and may require alternative transport methods or dispatch from a specific warehouse. While the majority of these items ship without issue, these factors can occasionally affect available shipping options or delivery timeframes.

If you are working to a tight deadline, require urgent delivery, or are unsure whether a product can be shipped to your location, we recommend contacting the StreetFX team prior to placing your order so we can confirm availability and the most suitable freight option.

(keyword: oil)

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

Product Details

Bore (Min/Max):4.002" / 4.060"
Bore Diameter Range Min Max:4.000 - 4.037
Category Hierarchy:Auto>Accessories>Groove Lock Spacers
Description:Groove Lock Spacer
Engine Type:ICE
Industry:Automotive
Part Number:wisGLS25
Product Type:Locks
Radial Wall:0.160
Title - Web:Groove Lock Spacer - 4.000 - 4.037 in. Bores
Title:Groove Lock Spacer - 4.000 - 4.037 in. Bores

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wiseco, WISECO-PRO TRU
StreetFX SKU wisGLS25
SFX Item ID 4062613
Accounting SKU wis-GLS25
Manufacturer SKU GLS25
Manufacturer UPC 00193564102768
Alternative References GLS25, WIS-GLS25

Oil Rail Support, Dimpled, 4.000 in. up to 4.037 in. Bore, Each

Wiseco piston oil rail supports are effective in applications where the piston oil ring groove intersects the pinhole. They can be used only in pistons that have the groove machined 0.030 in. wider than the oil ring. They're manufactured from spring steel and install against the bottom sill of the oil ring groove. Available in different bore diameters to suit your specific engine's needs, Wiseco piston oil rail supports will keep your pistons working smoothly throughout the entire operating range.

Product Attributes
BrandWiseco
Manufacturer's Part NumberGLS25
Part TypePiston Oil Ring Spacers
Product LineWiseco Piston Oil Rail Supports
UPC00193564102768
Bore (in.)4.000 in.-4.037 in.
Oil Ring Spacer Thickness (in.)0.030
QuantitySold individually.
NotesGroove lock spacer, 0.160 in. radial wall.

Manufacturer Attributes
Bore Diameter Range Min Max 4.000 - 4.037
Category Hierarchy Auto>Accessories>Groove Lock Spacers
Industry Automotive
Title Groove Lock Spacer - 4.000 - 4.037 in. Bores
Title - Web Groove Lock Spacer - 4.000 - 4.037 in. Bores
Engine Type ICE
Product Type Locks
Radial Wall 0.160
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Manufacturer Designation Engine Piston Ring, Groove Lock Spacer 4.000 - 4.037
Product Class Engine Piston Ring
Construction/Type Wiseco, Groove Lock Spacer - 4.000 - 4.037 in. Bore
Vehicle Brief Groove Lock Spacer 4.000 - 4.037
Market Description Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. The Wiseco crew shares the same level of dedication to motorsports as their customers and are focused on continually refining the quality and practices it takes to exceed expectations. Engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco?s Mentor, Ohio manufacturing facility, Wiseco pistons are the undisputed leader in quality and performance. Wiseco Performance Products, built for racers, by racers.

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