Yukon Gear 63-65 Muncie M20/M21 M/T w/SynchroS Bearing Kit
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
USA Standard Gear manufactures a full line of top-quality transmission parts. You can count on USA Standard Gear to fulfill all your transmission, differential, and general replacement part needs.
Installation Instructions- 1963-1965 4-Speed with Synchro's
- Model 20
- MUNCIE
Shipping information
We currently ship within the United States only. Most in-stock orders ship within 1 business day, and standard delivery takes 5-10 business days depending on your location. Shipping is calculated at checkout based on destination and item weight, and a tracking number is emailed to you once your order ships.
See our FAQ for full shipping details.
Returns & warranty
Returns are accepted within 14 days of delivery on new, unused, and uninstalled items in their original packaging. A 15% restocking fee applies, and a Return Merchandise Authorization (RMA) number must be requested before shipping any return. Some items are not eligible for return, including electronics, engine internals, turbo/supercharger kits, special orders, and Sale/Clearance items.
All products are covered by the original manufacturer's warranty. For returns or warranty help, email contact@sabaku-parts.com. Full details are in our FAQ.