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Product Details
| Part Number: | SO-Y1-5 |
| Brand: | SynchroTech |
Synchrotech SO-Y1-5 – Hardened 5th Gear Synchro Sleeve (Cable B-Series, 1989–1991). A purpose-built replacement sleeve crafted for the 5th gear and reverse synchronization assembly in early cable-operated Honda B-Series transmissions carrying codes Y1, Y2, S1, A1, and J1 (1989–1991). Designed with hardened steel, it restores smooth shifting and enhances durability in aging or performance-driven gearboxes.
Features:
- Exact Application Fitment: Engineered specifically for cable B-Series transmissions (1989–1991), including Y1, Y2, S1, A1, and J1 variants, ensuring precise compatibility.
- Hardened Steel Construction: Manufactured with durable hardened steel to withstand the stresses of gear engagement, significantly improving wear resistance and lifespan.
- OEM-Level Precision: Machined to Synchrotech’s strict specifications for seamless, drop-in installation—no machining or modification required.
- Targeted Gear Focus: Concentrates on the often-stressed 5th and reverse gear synchronization area, offering economical repair without replacing entire syncro assemblies.
Fitment:
- Cable B series 1989-1991 (Y1 Y2 S1 A1 J1 )
The Synchrotech SO-Y1-5 sleeve is a high-strength, direct-fit solution tailored for the 5th and reverse gear synchronization in 1989–1991 cable-operated B-Series transmissions (Y1, Y2, S1, A1, J1). With its hardened steel durability, accurate OEM-style engineering, and price-conscious design, it’s ideal for anyone looking to restore reliable performance or extend the life of their classic Honda gearbox.
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 1988 | Honda | CRX | Si |
| 1989 | Honda | CRX | Si |
| 1989 | Honda | Civic | Si |
| 1990 | Acura | Integra | GS |
| 1990 | Acura | Integra | LS |
| 1990 | Acura | Integra | RS |
| 1990 | Honda | CRX | Si |
| 1990 | Honda | Civic | Si |
| 1991 | Acura | Integra | GS |
| 1991 | Acura | Integra | LS |
| 1991 | Acura | Integra | RS |
| 1991 | Honda | CRX | Si |
| 1991 | Honda | Civic | Si |
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