Click to zoom in
SKU: RCS08550 | UPC: 00193564176615
Wiseco 85.5mm Black Anodized Piston Ring Compressor Sleeve RCS08550 for 1990-1999 Mitsubishi Eclipse 1990-1994 Eagle Talon Plymouth Laser
Wiseco ring compressor sleeves deliver a precision tool for installing 85.5mm pistons in high-performance 4G63 engine rebuilds. This black anodized sleeve fits 1990-1999 Mitsubishi Eclipse GST GSX GS models, plus 1990-1994 Eagle Talon TSi and Plymouth Laser RS. Rings compress evenly to avoid damage and create airtight seals for high compression and power output.
Key Features
- Forged 6061-T6 Aluminum: Lightweight durable construction handles repeated high-pressure use in engine assemblies
- Black Anodized Finish: Corrosion-resistant coating withstands shop chemicals oils and fuels
- 85.5mm Precision ID: Exact inner diameter matches oversize pistons for smooth cylinder slide-over without ring flare
- USA Forged and Machined: In-house manufacturing delivers consistent tolerances for professional results
- Reusable Design: Built tough for multiple builds saving time and cost on future projects
Product Notes
- Apply light assembly lube to rings before use for friction-free compression
- Clean sleeve thoroughly after each use to maintain precision fit
- Lightweight at 0.2 lbs for easy storage and handling
Installation Notes
- Professional installation recommended.
- Position sleeve over piston crown and gently tap cylinder down while rotating to seat rings
- Compatible with standard Wiseco forged pistons and aftermarket cylinders
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1994 | Eagle | Talon | Talon TSi |
| 1990-1994 | Plymouth | Laser | Laser RS |
| 1990-1994 | Mitsubishi | Eclipse | GS GSX |
| 1995-1999 | Mitsubishi | Eclipse | GST GSX GS |
Why Choose Wiseco?
- Decades of leadership in forged piston technology and engine tools
- Every component forged and machined under one roof in the USA
- Engineered tolerances trusted by racers and builders worldwide
Frequently Asked Questions
-
Q: Which engines use this 85.5mm ring compressor?
A: Designed for 85.5mm (+0.5mm oversize) pistons in 4G63 engines on 1990-1999 Eclipse 1990-1994 Talon and Laser models -
Q: What material and finish does it have?
A: Forged from 6061-T6 aircraft-grade aluminum with durable black anodized exterior for long-lasting protection -
Q: Does Wiseco offer a warranty?
A: Backed by Wiseco limited lifetime warranty against manufacturing defects when used as directed
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective sleeve in 6 x 4 x 1 inch box
- Weight: 0.2 lbs
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
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 ProductsLet customers speak for us
Looks pretty nice
Looks pretty nice, pricing was good and the reinforcement is a big plus.
Randy H.
Black Ops Auto Works
I emailed customer service to inquire about when it would be shipped
I emailed customer service to inquire about when it would be shipped. They checked and emailed me with the answer. Customer service is A1
Ralph J.
Black Ops Auto Works
Installation was easy
Installation was easy. The price is good and it looks great on the truck.
Ralph J.
RHO Small Grille Badge
Looks as good as it fits
Looks as good as it fits,
zachary d.
Seibon 70-73 Datsun 240Z OE Carbon Fiber Hood
Nothing like it
I love it great sound and response
Luis P.
Legmaker Dodge Durango HEMI Short Ram CAI 2011-Present 5.7L
Car totally diferent with the whole kit
Car totally diferent with the whole kit. Ive stood next to wide bodies and my car gets more attention at times . Ive bought the kit twice already.
Ding D.
2015-2023 Dodge Charger Carbon Fiber Wind Splitters
Fantastic emblem! Exactly what I was looking for
Fantastic emblem! Exactly what I was looking for. Great quality emblem.
Jacobus S.
Direct Connection Black Metallic Fender Badge
Worked great for my aftermarket hood on my Chrysler 2023 300C
Worked great for my aftermarket hood on my Chrysler 2023 300C. Thanks
Robert G.
Windshield Washer Squirter Relocation Kit Universal
Easy to install and makes car sound even better
Easy to install and makes car sound even better love the winn
Tracy H.
Legmaker Challenger/Charger Hellcat Demon & Redeye Air Intake
Awesome customer support
Awesome customer support. Had multiple issues with fedex and these guys were excellent in helping me sort everything out. The drop springs are great too! I highly recommend
Anonymous
Swift Spec-R Lowering springs Jeep Grand Cherokee 2011-2021
100/100! perfect CF crafted cold air intake for 6
100/100! perfect CF crafted cold air intake for 6.4 jeep .. even makes my AWE exhaust sound even deeper and you cam here this thing sucking when accelerating even at normal speeds🥶
srt.boizzz
Legmaker 392 TH Short Ram Jeep Grand Cherokee SRT 2012-2021
