Wiseco 77.5mm Bore Ring Compressor Sleeve Wiseco WISRCS07750
Click to zoom in

Wiseco 77.5mm Bore Ring Compressor Sleeve

Wiseco
WISRCS07750
193564176509
Tools
7 Units In Stock - Ships Next Business Day
Fabrication, Tools, Wiseco
$ 49.99
$ 49.99

SKU: RCS07750 | UPC: 193564176509

Wiseco 77.5mm Bore Ring Compressor Sleeve RCS07750 for 1985-2000 Yamaha XT350 1990-1999 Suzuki DR350 1983-1985 Kawasaki KX250 1983-1990 Suzuki LT300 1990-1996 Suzuki DR250

Wiseco ring compressor sleeves are forged in-house in the USA and provide a precision solution to assist in your high-performance engine build. This 77.5mm bore sleeve fits Yamaha XT350 Suzuki DR350 Kawasaki KX250 Suzuki LT300 QuadRunner Suzuki DR250 and similar models with matching bores. It evenly compresses piston rings during installation to prevent damage and ensure a proper seal for reliable engine performance.

Key Features

  • Forged 6061-T6 Aluminum: Delivers strength and light weight to withstand repeated use in demanding engine assemblies
  • Precision CNC Machined: Matches 77.5mm bores exactly for smooth piston drop-in without ring flare or distortion
  • Hard Anodized Finish: Protects against scratches corrosion and wear during installations
  • Made in USA: In-house forging process ensures tight tolerances and consistent quality
  • Universal Tool Design: Works with standard Wiseco oversized pistons and aftermarket kits for 77.5mm cylinders

Product Notes

  • Pair with ring expander tool for easiest ring seating
  • Store in dry area to maintain anodized surface integrity
  • Compact design fits in standard tool kits for on-site builds

Installation Notes

  • Professional installation recommended.
  • Lightly lubricate piston rings and sleeve interior with assembly lube before use
  • Compatible with all standard piston ring sets for 77.5mm bores no special hardware needed

This Part Fits

Year Make Model Submodel
1985-2000 Yamaha XT350 All
1990-1999 Suzuki DR350 S SE
1983-1985 Kawasaki KX250 All
1983-1990 Suzuki LT300 QuadRunner E
1990-1996 Suzuki DR250 All

Why Choose Wiseco?

  • Proven leader in powersports pistons and engine tools
  • Focus on forged components for real-world durability
  • Expert engineering tailored to performance rebuilds

Frequently Asked Questions

  • Q: Does this sleeve work with stock 77mm bores using oversized pistons?
    A: Yes it fits 77.5mm precisely ideal for 0.5mm overbore kits on listed models and similar engines
  • Q: What material and finish does it have?
    A: Constructed from forged 6061-T6 aluminum with hard black anodizing for maximum protection
  • Q: What warranty applies to this tool?
    A: Wiseco provides a limited lifetime warranty on manufacturing defects when used as directed

Shipping &amp. Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard box 6 x 4 x 2 inches
  • Weight: 0.15 lbs
Read More
Read Less

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Fabrication

Fabrication

Fabrication parts and materials provide the raw components needed to build, repair, and modify custom exhaust systems, turbocharger plumbing, intercooler piping, fuel system lines, oil routing, and engine bay heat management on performance and competition vehicles. Stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, pie cuts, flanges, merge collectors, V-band clamps, O2 sensor bungs, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, and welding supplies are the backbone of any serious custom fabrication project. Professional fabricators, race team mechanics, and advanced DIY builders who want full control over exhaust routing, charge pipe layout, or fuel system plumbing choose raw fabrication materials rather than pre-bent kits because custom fabrication allows fitment solutions that no universal kit can accommodate. Brands including Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, and DEI provide th...

View Fabrication Products
Tools

Tools

Welcome to our exclusive Tools Collection, where we offer a carefully curated selection of the best tools available in the market. Whether you're a professional tradesperson or a DIY enthusiast, our tools are designed to meet all your needs.     Why Choose Our Tools? Quality: We prioritize high-quality materials and craftsmanship. Diversity: A wide range of tools for various applications, from woodworking to automotive. Affordability: Competitive prices without compromising on quality. Innovation: Stay ahead with the latest tools and technologies.   Featured Categories Explore our featured categories within the Tools Collection: Hand Tools: Essential tools for precision and durability. Power Tools: Efficient tools for faster and easier work. Tool Accessories: Enhance your tools with high-quality accessories. Organizers: Keep your workspace tidy with our tool organizers.   Shop with Confidence Our Tools Collection is backed by excellent customer service and a satisfactio...

View Tools Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×