Wiseco 4.125in Bore to 4.185in Bore Piston Ring Compressor Sleeve

SKU: WISRCK4124185

Piston Ring Compressors

WIS Ring Compressor Sleeves...

Wiseco 4.125in Bore to 4.185in Bore Piston Ring Compressor Sleeve

SKU: WISRCK4124185

Piston Ring Compressors

WIS Ring Compressor Sleeves...

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

Wiseco ring compressor sleeves are forged in-house in the USA and are a precision solution to assist in your high-performance engine build.

Part Type

Engine Piston Ring Compressor

Data: v4.2 - Upd: 2026-10-13 16:58:57

Features

Compresses the piston rings smoothly and evenly
Greatly reduces difficulty of installing high-performance oil rings
Hard-anodized and Teflon coated for low friction and prolonged wear resistance
Laser-marked with size indication
Sleeves have smooth radius that tapers down to the specific bore size

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: RCK4124185
Product Attributes - Part Type: Piston Ring Compressors
Product Attributes - Product Line: Wiseco Ring Compressor Sleeves
Product Attributes - UPC: 00193564527868
Product Attributes - Adjustable: No
Product Attributes - Tapered: Yes
Product Attributes - Piston Ring Compressor Material: Aluminum
Product Attributes - Piston Ring Compressor Finish: Black anodized
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisRCK4124185
SFX Item ID	4064853
Supplier Item Code	4064853
Manufacturer SKU	RCK4124185
Manufacturer UPC	N/A
Alternative References	4.125in, 4.185in

Compatibility

Application Data

Minimum Diameter (in.)(application) 4.125 in.
Minimum Diameter (mm)(application) 104.77mm
Maximum Diameter (in.)(application) 4.185 in.
Maximum Diameter (mm)(application) 106.30mm

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