fits model: Sm420. make: Gmc, Chevy, Chevrolet. year: 1954-67.

( Brand: Chevrolet ), ( Case Id: 10.5 Iron Case With Iron Top Cover, 1 Pto Opening. ), ( Fitment Type: Direct Replacement ), ( Items Included: Bearings, Gaskets Seals ), ( Mounting Hardware Included: No ), ( Placement On Vehicle: Transmission ), ( Type: Rebuild Kit ), ( Fits Years: 1954-1967 ), ( Oe/oem Part Number: Bk108, Zmbk108 ), ( Manufacturer Warranty: 1 Year )
The Chevrolet SM420 Rebuild Kit is an essential tool for any enthusiast or professional working on 1954-1967 Granny Van transmissions. This comprehensive rebuild kit is specifically designed for the GM 4-speed manual transmission, model SM420, which was commonly used in these classic vans.
The kit includes a wide range of high-quality replacement parts to ensure a smooth and reliable operation of the transmission. These parts include the gear shifter assembly, shift fork, synchronizer rings, gear sets, and various seals and gaskets. Each part is meticulously inspected and tested to meet the highest standards of quality and performance.
The gear sets are made from heat-treated steel for durability and precision, ensuring smooth shifts and long-term reliability. The synchronizer rings are also precision-engineered to minimize gear noise and provide seamless shifting. The shift fork and gear shifter assembly are designed for easy installation and a secure fit, ensuring a reliable connection between the shifter and the transmission.
The seals and gaskets in the kit are made from high-grade materials to provide a tight seal and prevent leaks. This is especially important for transmissions that have been in use for several decades, as the seals and gaskets can degrade over time.
The kit also includes detailed instructions and diagrams to guide you through the rebuild process. These instructions are easy to follow and include step-by-step instructions, as well as troubleshooting tips and common issues to watch out for.
In summary, the Chevrolet SM420 Rebuild Kit is an essential tool for anyone looking to restore or maintain their 1954-1967 Granny Van transmission. With its high-quality replacement parts, detailed instructions, and easy installation, this kit will ensure a smooth and reliable operation of your transmission for years to come.
Pros of buying a Chevrolet SM420 rebuild kit for a 1954-67 Granny Van:1. Affordability: Rebuild kits are typically less expensive than buying a new transmission. This can help save money, especially for older vehicles.
2. Availability: Rebuild kits are often easier to find than new transmissions for older vehicles. This can save time in the search for a replacement transmission.
3. Customization: Rebuild kits allow you to customize the transmission to your specific needs, such as adjusting the gear ratios or upgrading the clutch.
4. Environmentally friendly: Rebuilding a transmission instead of buying a new one reduces waste and is more environmentally friendly.
Cons of buying a Chevrolet SM420 rebuild kit for a 1954-67 Granny Van:1. Time-consuming: Rebuilding a transmission can be a time-consuming process. It may take several days or even weeks to complete the rebuild.
2. Technical skill required: Rebuilding a transmission requires some technical skill and knowledge. If you are not mechanically inclined, it may be best to hire a professional to complete the rebuild.
3. Part quality: The quality of the rebuild kit parts can vary. Some kits may include low-quality parts that may fail prematurely.
4. Possible hidden costs: There may be hidden costs associated with rebuilding a transmission, such as the cost of tools, labor, or replacement parts if the original parts are damaged during the rebuild.
In conclusion, a Chevrolet SM420 rebuild kit can be a cost-effective and environmentally friendly option for replacing a transmission in a 1954-67 Granny Van. However, it requires technical skill, time, and potential hidden costs. If you are not mechanically inclined, it may be best to hire a professional to complete the rebuild.
Recommendation: If you are confident in your mechanical skills and have the time to complete the rebuild, a Chevrolet SM420 rebuild kit could be a good option for replacing your transmission. However, it is important to research the rebuild kit and its parts to ensure that you are getting high-quality parts that will last. Additionally, consider the potential hidden costs and budget accordingly. If you are not confident in your mechanical skills, it may be best to hire a professional to complete the rebuild.
Needle Bearings. Kit Contents. See listing pictures for exact contents. 55-59 288, 316, 336 347 CID.
Muncie SM420 Rebuild Kit with Bearings Seals, Granny Low 4 Speed Manual Transmission, 54-67 Chevy GMC Trucks Vans, The transmission has a cast iron, that is 10.5 long 1 PTO opening. 54-61 261 CID. 63-67 194, 230 283 CID. Small Parts Kit.