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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
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