SKU: 46875-4 | UPC: 807298084336
Manley 87.5mm File Fit 1.2mm x 1.2mm x 2.8mm Standard (7-11lbs) Ring Set for 1994-2001 Acura Integra Honda Civic B-Series
Manley 46875-4 piston ring set delivers precise sealing for 87.5mm bores in Honda and Acura B-series DOHC VTEC engines. Designed for high-performance builds in 1994-2001 Integra GS-R and Type R 1999-2000 Civic Si and similar models this file-fit set ensures low friction and strong compression. Engineered for reliability under high RPM and boost these rings support increased power without compromise.
Key Features
- 87.5mm Bore Size: Matches oversized pistons in B-series engines for greater displacement and power output
- Thin Ring Dimensions 1.2mm x 1.2mm x 2.8mm: Reduces mass and friction for quicker revs and higher horsepower
- File-Fit Design: Custom end gaps allow perfect fit to bore finish and piston specs for leak-free operation
- Standard Tension 7-11lbs: Maintains cylinder pressure across RPM range while minimizing drag
- Premium Construction: Steel top ring with wear-resistant coating cast iron second ring and three-piece oil ring control blow-by and oil consumption
Product Notes
- Rings require filing to achieve correct end gaps typically 0.012-0.016in top 0.012-0.016in second 0.012-0.055in oil
- Set includes rings for four cylinders compatible with Manley or other 87.5mm B-series pistons
- Lightweight design ships easily with no special handling required
Installation Notes
- Professional installation recommended.
- Hone cylinders to plateaus RK or similar for optimal ring seating
- Use quality ring compressor torque rings per engine builder specs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1994-2001 | Acura | Integra | GS-R |
| 1996-2001 | Acura | Integra | Type R |
| 1999-2000 | Honda | Civic | Si |
| 1994-1997 | Honda | Del Sol | VTEC |
| 1992-1995 | Honda | Civic | SiR |
Why Choose Manley?
- Proven in racing engines worldwide for decades
- Exact tolerances reduce blow-by and boost durability
- Advanced materials handle extreme heat and pressure
Frequently Asked Questions
- Q: Which engines is this ring set designed for?
A: Built for Honda Acura B-series DOHC VTEC like B18C1 B18C5 in 94-01 Integra and 99-00 Civic Si with 87.5mm bore sleeves or pistons - Q: What materials are used in these rings?
A: Top ring is steel with chrome or moly face for wear resistance second is cast iron napier style oil ring is steel flex-vent three-piece for control - Q: What is the warranty and installation advice?
A: Backed by Manley limited warranty professional install advised with proper gapping and honing for best results
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective sleeves in compact cardboard box
- Weight: 1 lb
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