Zumbrota Drivetrain

Manual Transmission 1st & 2nd Synchro Hub

$138.89

SKU: ZM465WT304-81

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Manual Transmission 1st & 2nd Synchro Hub is a critical internal component for manual transmissions, specifically designed to facilitate smooth and reliable gear changes between first and second gear. This part is manufactured by USA Standard Gear and is intended as a direct replacement for worn or damaged original equipment. This synchro hub is engineered for compatibility with the robust GM CH465 and Muncie SM465 manual transmission platforms. Its design ensures proper engagement and synchronization of the 1st and 2nd gear sets, contributing to the overall drivability and longevity of the transmission. Key specifications include its application for the 1st and 2nd Synchro Hub, and its compatibility with the GM CH465/Muncie SM465 Manual Transmission. The product ships at approximately 4.0000 LB. Information regarding specific vehicle fitment is not readily available for this part, and customers are encouraged to consult with Zumbrota Drivetrain's technical support for assistance with build projects or specific application inquiries.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandZumbrota Drivetrain
Part NumberZM465WT304-81
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy