Synchrotech SO-SYN118B K20 6 speed 1st-2nd-3rd-4th-5th-6th Sleeves with Brass Synchros and Springs (dual 5-6)
The Synchrotech SO-SYN118B — K20 6 speed 1st-2nd-3rd-4th-5th-6th Sleeves with Brass Synchros and Springs (dual 5-6) — is a premium brass upgrade engineered for smoother, faster, more durable shifting than factory components. Built to Synchrotech's Pro Series standards and trusted by builders for high-horsepower street and track transmissions.
Premium brass synchros:
- OEM-grade replacement with improved consistency
- Reliable engagement for street and rebuild applications
- Direct-fit — no transmission modification required
Application: K20 6 speed 1st-2nd-3rd-4th-5th-6th Sleeves with Brass Synchros and Springs (dual 5-6)
Backed by Synchrotech quality and shipped fast from Speedzone Performance.
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
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