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This ARP performance fastener, stud, bolt, tool, or assembly is the 82.5mm Ring Compressor. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.
Key Features
- Exact 82.5mm Sizing: Matches VW/Audi 2.0T cylinder bores for secure ring compression without flare or slippage.
- CNC Machined Aluminum: 6061-T6 construction resists wear and delivers consistent pressure over multiple builds.
- Clear Size Marking: Engraved 82.5mm ID prevents mix-ups in tool kits during assembly.
- Tapered Sleeve Design: Smooth taper applies gradual force to rings protecting them during piston insertion.
- Wrist Pin Relief: Cutout allows easy piston alignment and handling in tight engine bays.
- Yes it fits all EA888 Gen1 and Gen2 82.5mm bore 2.0T engines including MK6 GTI Jetta GLI through 2014.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Universal or specification-matched application. Verify every dimension, interface, load or operating requirement, and listing note. | |||
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 901-8250 |
| Product Type | Tools |
| Condition | New |
| Configuration | 82.5mm Ring Compressor |
| Exact 82.5mm Sizing | Matches VW/Audi 2.0T cylinder bores for secure ring compression without flare or slippage |
| CNC Machined Aluminum | 6061-T6 construction resists wear and delivers consistent pressure over multiple builds |
| Tapered Sleeve Design | Smooth taper applies gradual force to rings protecting them during piston insertion |
| Wrist Pin Relief | Cutout allows easy piston alignment and handling in tight engine bays |
| Clear Size Marking | Engraved 82.5mm ID prevents mix-ups in tool kits during assembly |
| Q | Does this fit EA888 2.0T engines in MK6 GTI? A: Yes it fits all EA888 Gen1 and Gen2 82.5mm bore 2.0T engines including MK6 GTI Jetta GLI through 2014 |
| Method | UPS Ground |
| Availability | In stock - ships same or next business day |
| Packaging | Protective retail box 6 x 4 x 3 inches |
| Weight | 0.65 lbs |
| Key Features Exact 82.5mm Sizing | Matches VW/Audi 2.0T cylinder bores for secure ring compression without flare or slippage |
What's Included
One new ARP tool in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.
About ARP
Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.
Important Disclosures
- California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.
Related Parts
- Shop all ARP products
- ARP 4.055in Ring Compressor
- ARP 4.110in Ring Compressor
- ARP 4.2125in Ring Compressor
Frequently Asked Questions
How do I confirm the 82.5mm Ring Compressor fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.
Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP's current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.
What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.
Installation Instructions
- Confirm ARP part number 901-8250, the complete application, and every required supporting component before beginning work.
- Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
- Follow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
- Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.
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