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USA Standard Gear SM465 Transmission Bearing/Seal Kit with Synchro Rings for 68-91 Chevy/GMC 4-Speed - ZMBK129WS

USA Standard Gear ZMBK129WS Transmission Bearing and Seal Kit

If you're looking to keep your classic Chevy or GMC running smoothly, the ZMBK129WS Transmission Bearing and Seal Kit from USA Standard Gear is an essential component for your manual transmission repair. This kit is designed specifically for the SM465 4-speed transmission, which has been a reliable workhorse in various models from the late '60s to the early '90s. With over 50 years of applications covered, USA Standard Gear ensures that you have access to quality parts that fit your vehicle perfectly.

Key Features

  • Complete Transmission Bearing and Seal Kit with Synchronizers
  • Includes Synchronizer Rings for smooth shifting
  • Durable cast iron top cover for added strength
  • 0.68 inch wide input bearing for precise fit
  • Comes with two PTO covers for versatility
  • Engineered for the SM465 transmission model
  • Sold as a complete kit for hassle-free installation

Fitment

This kit is compatible with a wide range of vehicles, making it a versatile choice for many owners:

  • 1969-1991 Chevrolet Blazer
  • 1974-1975 Chevrolet C10 Pickup
  • 1968-1981 Chevrolet C10 Suburban
  • 1975-1986 Chevrolet C20
  • 1974-1986 Chevrolet C20 Suburban
  • 1975-1986 Chevrolet C30
  • 1974 Chevrolet C30 Pickup
  • 1975-1986 Chevrolet K10
  • 1968-1974 Chevrolet K10 Pickup
  • 1968-1986 Chevrolet K10 Suburban
  • 1975-1986 Chevrolet K20
  • 1968-1974 Chevrolet K20 Pickup
  • 1968-1986 Chevrolet K20 Suburban
  • 1977-1986 Chevrolet K30
  • 1975-1986 Chevrolet K5 Blazer
  • 1975-1980 Chevrolet P10
  • 1975-1989 Chevrolet P20
  • 1975-1990 Chevrolet P30
  • 1987 Chevrolet R10
  • 1987-1988 Chevrolet R20
  • 1989-1990 Chevrolet R2500 Suburban
  • 1987-1991 Chevrolet R3500
  • And many more GMC and Chevrolet models!

Why Choose USA Standard Gear?

When it comes to manual transmission components, USA Standard Gear stands out for its commitment to quality and performance. Their extensive inventory ensures that whether you're restoring a classic or maintaining a work truck, you have access to the right parts. The ZMBK129WS kit not only provides the necessary components for a successful rebuild but also instills confidence that your vehicle will perform at its best.

Customer Feedback

Chevrolet K10 owners have shared their experiences, noting how easy the installation was with this kit. One user mentioned, "I installed the ZMBK129WS on my 1985 K10, and the smooth shifting is back! The synchros made a noticeable difference." Another GMC Jimmy owner added, "This kit fit perfectly, and I love knowing I’m using quality parts from USA Standard Gear."

Upgrade your manual transmission with the ZMBK129WS Transmission Bearing and Seal Kit and experience the difference in performance and reliability!

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1969-1974, 1987-1991
 Chevrolet Blazer
1968-1977, 1982-1986
 Chevrolet C/K 10
1968-1977, 1982-1986
 Chevrolet C/K 20
1975-1977, 1982-1986
 Chevrolet C/K 30
1975-1977, 1982-1986
 Chevrolet K5 Blazer
1975-1977
 Chevrolet P10
1975-1977, 1982-1989
 Chevrolet P20
1975-1977, 1982-1990
 Chevrolet P30
1987
 Chevrolet R/V 10
1987-1988
 Chevrolet R/V 20
1987-1988
 Chevrolet R/V 30
1987-1988
 Chevrolet R20
1989
 Chevrolet R2500
1989-1991
 Chevrolet R3500
1968-1977, 1982-1984, 1987-1989
 Chevrolet Suburban
1987-1988
 Chevrolet V30
1989-1991
 Chevrolet V3500
1968-1977
 GMC C/K 15
1982-1986
 GMC C/K 1500
1968-1977
 GMC C/K 25
1982-1986
 GMC C/K 2500
1973-1977
 GMC C/K 35
1982-1986
 GMC C/K 3500
1970-1977, 1982-1991
 GMC Jimmy
1982-1989
 GMC P2500
1982-1990
 GMC P3500
1987
 GMC R1500
1987-1989
 GMC R2500
1987-1991
 GMC R3500
1987
 GMC V1500
1988-1989
 GMC V1500 Suburban
1987
 GMC V2500
1988
 GMC V2500 Suburban
1987-1991
 GMC V3500

USA Standard Gear Banner

Who is USA Standard Gear?

USA Standard Gear is a company that supplies high-quality parts for the automotive industry. They are a one-stop-shop for all your drivetrain component needs and have one of the industry's most comprehensive parts list and inventory. Today, they are considered the leading supplier of these parts in the United States.

Drivetrain Experts

The company offers various parts ranging from axles, differential gears, lockers, limited slips, drivelines, and more. It is built by a team of craftsmen who has years of experience when it comes to assembling and modifying their own builds. This passion is what drives the company to create some of the best products in the market.

Quality In Every Product

All their parts are manufactured in their facility equipped with the latest and most sophisticated tools available today. They also have two high-tech testing labs to ensure that every product comes out with the company's quality.

The USA Standard Gear engineering team is constantly on edge trying to find ways to develop and further improve their products. That is why they can produce innovative parts that adapt to the changing trend in the automotive world.

Purchase USA Standard Gear at Vivid Racing

If you are in the market for reliable and top-notched drivetrain components, then USA Standard Gear is the brand for you. With years of experience developing their products, they have provided their customers with parts they could trust, whether it's a replacement component or an upgrade. 

To know more about USA Standard Gear, visit Vivid Racing and check out their list of offerings that fit your specific requirement.





USA Standard Gear® ("USA Standard") warrants the original retail purchaser that all USA Standard products will be free from defects in materials and workmanship for the periods shown herein. USA Standard makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the USA Standard product has been installed and maintained in accordance with USA Standard instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At USA Standard's discretion, this warranty may be voided if installation of USA Standard product(s) occurs on vehicles with tires that exceed USA Standard Maximum Recommended Tire Size.

Upon notification of a warranty claim, USA Standard shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product or replace it.

This warranty does not cover, and USA Standard shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the USA Standard product). In addition, this warranty does not cover, and USA Standard shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling USA Standard Gear® products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-USA Standard component.

This agreement offers you specific legal rights. You may also have other rights which vary from state to state.

USA STANDARD GEAR® WARRANTY BY PRODUCT
USA Standard Product Length of Warranty (From date of sale) NOTES
SpoolAs long as original purchaser owns vehicle in which Spool is originally installed It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear.
Rear Axle (1040/1050)Five (5) Years Covers parts for five years against manufacturing defects.
Front Axle (Series ZA W)Five (5) Years Five year warranty covering manufacturing defects and axle breakage. This warranty is not transferable to another party. “No Questions Asked” replacement for first warranty return, however, USA Standard Gear reserves the right to either replace axle or refund original purchase price after the first warranty claim. USA Standard Gear (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
Ring & Pinion Gear SetOne (1) YearWarrantied against manufacturing defects for one (1) year.
Positraction DifferentialOne (1) Year Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter.
Spartan LockerOne (1) YearWarrantied against manufacturers defects for one (1) year.
Install KitsOne (1) Year Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects.
Spider Gear Kits (ZIK)One (1) YearOne year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.
Replacement Driveshafts (ZDS)One (1) Year Warrantied against manufacturing defects for one (1) year.

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