SKU: 901-8750 | UPC: 672036028282
ARP 87.5mm Tapered Ring Compressor
The ARP 87.5mm Tapered Ring Compressor simplifies piston ring installation for engines with 87.5mm bores found in performance Honda K20/K24 builds Nissan SR20DET and Toyota 2JZ stroked applications. Crafted from high-strength phenolic resin this tool compresses rings evenly as the piston slides into the cylinder avoiding damage and flare. Engine builders rely on it for clean precise assembly in street and race motors.
Key Features
- Tapered Design: Guides piston smoothly into bore while gradually compressing rings to exact size for flawless seating
- Precise 87.5mm Sizing: Factory-marked bore diameter ensures perfect match for 87.5mm (3.437 inch) pistons in custom and stroker kits
- Phenolic Resin Construction: High-impact material withstands repeated use without cracking or deforming under pressure
- Ring Protection: Eliminates scuffing flare or breakage common with inferior compressors during critical install step
- ARP Engineering: Built to pro standards for consistent results in high-horsepower engine projects
Product Notes
- Lubricate rings lightly before use for optimal compression and slide
- Inspect tool before each job clean after use to extend service life
- Lightweight design ships compact with minimal packaging waste
Installation Notes
- Professional installation recommended.
- Position compressor over cylinder bore slide piston in steadily using taper to compress rings
- Compatible with standard top side and oil ring packs on forged pistons
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| All Years | Honda | Civic/RSX/Integra | K20/K24 87.5mm Builds |
| All Years | Nissan | Silvia/240SX | SR20DET Stroked |
| All Years | Toyota | Supra | 2JZ 87.5mm Bore |
| All Years | Various | Performance Engines | 87.5mm (3.437") Bore |
Why Choose ARP?
- Decades of leadership in racing fasteners and tools
- Reliable performance in NHRA IHRA and grassroots builds
- Exact tolerances from CNC machining and quality materials
Frequently Asked Questions
-
Q: What engines does the 87.5mm size fit?
A: Designed for any block machined to 87.5mm bore including sleeved Honda K-series blocks Nissan SR20 stroker kits and custom Toyota 2JZ pistons -
Q: What material is the compressor made from?
A: Premium phenolic resin for superior strength flexibility and resistance to cracking during heavy compression -
Q: Can this tool be reused for multiple engines?
A: Yes ARP compressors handle dozens of builds when cleaned and stored properly backed by ARP quality guarantee
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure padded box 6 x 4 x 1.5 inches
- Weight: 0.4 lbs
ARP Head Studs
ARP head stud kits for internal engine builds are stocked at Black Ops Auto Works. Shop ARP head stud and bolt kits, main stud kits, and rod bolt kits engineered for HEMI, Ford Modular and Coyote, GM LS, Subaru EJ, Honda K and B series, VW/Audi turbo four cylinders, Porsche, BMC, and Renault engines, along with the Ultra-Torque assembly lubricant every kit depends on. Every product is filterable by year, make, model, and engine platform so the correct fastener kit ships the first time. Black Ops Auto Works carries 812 ARP Head Studs SKUs across 8740 chromoly and ARP2000 alloy options. What This Collection Covers ARP head studs replace factory head bolts with precision-machined threaded studs that thread into the block and allow the nut to be torqued concentrically on a stationary fastener, producing more even and repeatable clamping force across the entire head gasket surface than a factory head bolt design. This collection focuses on the internal engine fasteners that hold the ...
View ARP Head Studs Products
Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
View Fabrication Products
Tools
Automotive tools and install accessories for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop wheel and suspension spanner wrenches, coilover tools, clutch alignment tools, crank pulley tools, jack pads, toe gauges, fluid extractors, and mechanic mats for shops and home garages working on Hellcat, Trackhawk, TRX, WRX, Subaru BRZ, Miata, and general import and domestic platforms. Every product is filterable by brand, tool type, and application so the correct tool ships the first time. Black Ops Auto Works carries 372 tool SKUs across install tools, alignment tools, wrenches, gauges, and shop accessories. What This Collection Covers This Tools collection gathers the specialty install and service tools that suspension, wheel, and engine brands design specifically for their own hardware. Instead of generic hand tools, these are purpose built spanner wrenches, alignment tools, and gauges that make a job faster and reduce the risk of damaging expensive parts dur...
View Tools Products


