Looking for the best transmission rebuild kit for your TH-350? Our guide offers a curated list of top-quality kits to make your rebuild smooth and efficient.
Rebuilding a TH-350 transmission can feel like a big task, but with the right kit, it’s easier than you think. Whether you’re fixing leaks or boosting performance, the best transmission rebuild kit makes all the difference.
Choose quality parts, save time, and drive with confidence. Our guide highlights top kits that fit your needs perfectly.
Discover kits that handle heat, leaks, and heavy use. Find the perfect match for your TH-350 and get back on the road smoothly.
List of Top 10 Transmission Rebuild Kit For TH-350
| Image | Title | Best For | Price |
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TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit |
This TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications. |
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250/350 Transmission Rebuild Kit, Master Less Steels 1969-1979 |
This 250/350 Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to restore their classic vehicles. It’s ideal for 1969-1979 models needing a reliable transmission overhaul. |
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JEGS Complete Transmission Rebuild Kit | Fits 1969-1986 GM or Chevy TH-350 (non-lockup) With 30-Spline Input Shaft | Made in USA |
This JEGS Complete Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to fix their classic GM or Chevy TH-350 transmission. It’s easy to use and includes everything needed for a smooth repair. |
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TH350 TH350C Transmission Rebuild kit Heavy Duty Master Kit Stage 4 |
This TH350 TH350C Transmission Rebuild Kit is perfect for anyone who wants a reliable, heavy-duty upgrade for their GM vehicle. It’s ideal for trucks, towing, or high-stress street use, ensuring smooth shifts and long-lasting performance. |
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TH350 Turbo 350 Transmission Raybestos Stage 1 Master Level 2 Rebuild Kit |
This TH350 Turbo 350 Transmission Rebuild Kit is perfect for car enthusiasts who want reliable performance. Whether you’re towing heavy loads or upgrading your street rod, this kit meets your needs. |
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GOLKNHA Turbo 350 TH350 TH350C Transmission External Gasket Seal Reseal Kit, Filler Tube O-Ring & More Fits THM-250, 250C, 350, 350C & 375B Transmissions, Maximum Coverage with Metal Clad Seals |
This GOLKNHA Turbo 350 Transmission Reseal Kit is perfect for anyone who wants to fix leaks and extend the life of their THM-250, 250C, 350, 350C, or 375B transmission. It’s ideal for DIYers and professionals alike, offering maximum coverage and durable parts for a complete reseal. |
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TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit |
This TH350 Turbo 350 Transmission Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s ideal for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing. |
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BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit |
This TH350 Transmission Seal Filter Kit is perfect for anyone rebuilding or repairing a Turbo 350 transmission. It’s ideal for stopping leaks and keeping your transmission running smoothly. |
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TH350 TRANSGO Shift Kit Valve Body Rebuild Kit 69-up |
This TH350 TRANSGO Shift Kit is perfect for car enthusiasts and DIY mechanics who want to improve their transmission’s performance. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their vehicle. |
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TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit |
This TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing needs. |
Detailed Reviews
Discover the top 10 Transmission Rebuild Kits for TH-350, carefully selected based on expert reviews and customer feedback. Each kit is thoroughly evaluated for quality, performance, and value, ensuring you find the perfect match for your needs. Whether you’re upgrading for performance, reliability, or affordability, this guide has you covered. Dive in to find the best rebuild kit that will keep your transmission running smoothly and efficiently.
1. TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit

The TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit is a top-quality solution for your transmission needs. It includes high-quality clutches made by Raybestos in the USA and a premium Transtec gasket kit.
This kit has everything you need, from friction plates to seals. It’s perfect for performance and heavy-duty use, handling higher temperatures and tough demands.
| Pros | Cons |
|---|---|
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Perfect For:
This TH350 Turbo 350 Transmission Raybestos Stage 1 Deluxe Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications.
Ready to Purchase?
2. 250/350 Transmission Rebuild Kit, Master Less Steels 1969-1979

The 250/350 Transmission Rebuild Kit is perfect for 1969-1979 models. It includes premium parts for a smooth rebuild.
This kit has everything you need. It includes an overhaul kit, Raybestos clutch pack, and seals.
All parts are top quality and reliable. Trust this kit for a strong, lasting fix.
| Pros | Cons |
|---|---|
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Perfect For:
This 250/350 Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to restore their classic vehicles. It’s ideal for 1969-1979 models needing a reliable transmission overhaul.
Ready to Purchase?
3. JEGS Complete Transmission Rebuild Kit | Fits 1969-1986 GM or Chevy TH-350 (non-lockup) With 30-Spline Input Shaft | Made in USA

Rebuild your classic GM or Chevy transmission with the JEGS Complete Transmission Rebuild Kit. This all-in-one kit fits 1969-1986 TH-350 transmissions with a non-lockup converter and 30-spline input shaft. It’s made in the USA for quality you can trust.
The kit includes everything you need, from gaskets and seals to friction plates and bushings. No more guessing or missing parts—just a complete rebuild solution.
Need a basic overhaul instead? Separate kits with just gaskets and seals are also available. Save time and effort with JEGS.
| Pros | Cons |
|---|---|
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Perfect For:
This JEGS Complete Transmission Rebuild Kit is perfect for car enthusiasts and DIY mechanics who want to fix their classic GM or Chevy TH-350 transmission. It’s easy to use and includes everything needed for a smooth repair.
Ready to Purchase?
4. TH350 TH350C Transmission Rebuild kit Heavy Duty Master Kit Stage 4

The TH350 TH350C Transmission Rebuild Kit is a heavy-duty master kit designed for Stage 4 overhauls. It includes Alto HEG Graphite frictions, Alto steels, and premium sealing components for a complete rebuild.
This kit features Alto HEG High-Energy Frictions, built to handle heat and load. It’s ideal for trucks, towing, or high-stress street use, ensuring smooth shifts under pressure.
Compatible with 1969–86 GM transmissions, this kit fits TH350 & TH350C units. It includes a full-ring front band, Alto Red Stripe Modulator, and Alto Nylon Filter for a long-lasting, leak-free build.
| Pros | Cons |
|---|---|
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Perfect For:
This TH350 TH350C Transmission Rebuild Kit is perfect for anyone who wants a reliable, heavy-duty upgrade for their GM vehicle. It’s ideal for trucks, towing, or high-stress street use, ensuring smooth shifts and long-lasting performance.
Ready to Purchase?
5. TH350 Turbo 350 Transmission Raybestos Stage 1 Master Level 2 Rebuild Kit

The TH350 Turbo 350 Transmission Rebuild Kit is made in the USA by Raybestos. It includes high-quality clutches and a premium Transtec gasket kit. This kit meets professional standards for reliable performance.
It comes with Stage 1 friction plates, steel plates, filters, and seals. These parts handle heavy-duty use and high temperatures, perfect for towing or performance driving.
The affordable solution boosts holding capacity and works for street rods and tuner cars. It’s ideal for mild street strip and daily driving needs.
| Pros | Cons |
|---|---|
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Perfect For:
This TH350 Turbo 350 Transmission Rebuild Kit is perfect for car enthusiasts who want reliable performance. Whether you’re towing heavy loads or upgrading your street rod, this kit meets your needs.
Ready to Purchase?
6. GOLKNHA Turbo 350 TH350 TH350C Transmission External Gasket Seal Reseal Kit, Filler Tube O-Ring & More Fits THM-250, 250C, 350, 350C & 375B Transmissions, Maximum Coverage with Metal Clad Seals

The GOLKNHA Turbo 350 TH350 TH350C Transmission Kit is perfect for resealing your transmission. It fits all THM-250, 250C, 350, 350C, and 375B models, no matter the year or make.
This comprehensive kit includes metal-clad seals and extra parts like the filler tube o-ring and detent cable boot. It prevents leaks, extends transmission life, and comes with a 1-year warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This GOLKNHA Turbo 350 Transmission Reseal Kit is perfect for anyone who wants to fix leaks and extend the life of their THM-250, 250C, 350, 350C, or 375B transmission. It’s ideal for DIYers and professionals alike, offering maximum coverage and durable parts for a complete reseal.
Ready to Purchase?
7. TH350 Turbo 350 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit

The TH350 Turbo 350 Transmission Rebuild Kit is a high-quality upgrade for your vehicle. It includes Raybestos Stage 1 Friction Plates and a premium Transtec Gasket Kit. All parts are made in the USA and meet professional standards.
This kit is perfect for performance and heavy-duty use. It handles higher temperatures and increases holding capacity, making it ideal for street rods, tuner cars, and towing.
| Pros | Cons |
|---|---|
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Perfect For:
This TH350 Turbo 350 Transmission Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s ideal for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing.
Ready to Purchase?
8. BIGLKNM TH350 Transmission Seal Filter Kit; Automatic Transmission External Gasket Seal Reseal Kit for Turbo 350 TH350 TH350C Rebuild Kit

The BIGLKNM TH350 Transmission Seal Filter Kit is a must-have for fixing leaks. It works with all Turbo 350 transmissions, no matter the year or model. This kit ensures a perfect fit every time.
Made from high-quality materials, the seals resist heat and corrosion. The fluoro rubber O-ring prevents leaks, keeping your transmission running smoothly.
The kit includes everything you need, like the oil pump seal and pan gasket. Check the pictures for a full list of parts included.
| Pros | Cons |
|---|---|
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Perfect For:
This TH350 Transmission Seal Filter Kit is perfect for anyone rebuilding or repairing a Turbo 350 transmission. It’s ideal for stopping leaks and keeping your transmission running smoothly.
Ready to Purchase?
9. TH350 TRANSGO Shift Kit Valve Body Rebuild Kit 69-up

The TH350 TRANSGO Shift Kit Valve Body Rebuild Kit is a comprehensive solution for your transmission needs. It includes all essential components for a complete rebuild. This kit is designed to enhance your driving experience.
With its durable metal construction, this kit is built to last. The 3-port globe valve ensures smooth fluid flow, optimizing transmission performance. Easy installation is guaranteed with threaded inlet and flare outlet connections.
Upgrade your shifting experience with this kit. It improves smoothness and responsiveness, making your drive more enjoyable. Simple assembly means you’ll be back on the road in no time.
| Pros | Cons |
|---|---|
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Perfect For:
This TH350 TRANSGO Shift Kit is perfect for car enthusiasts and DIY mechanics who want to improve their transmission’s performance. It’s easy to install and built to last, making it ideal for anyone looking to upgrade their vehicle.
Ready to Purchase?
10. TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit

The TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit is a high-quality solution for your transmission needs. It includes Raybestos clutches and a premium Transtec gasket kit, all made in the USA.
This kit features Stage-1 friction plates, Kolene steel plates, and sealing rings for top performance. It’s perfect for street rods, tuner cars, and mild street strip applications.
Easy to install, affordable, and reliable. Upgrade your transmission with confidence.
| Pros | Cons |
|---|---|
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Perfect For:
This TH350 Turbo 350 Transmission Raybestos Stage 1 Master Rebuild Kit is perfect for car enthusiasts who want reliable performance. It’s great for street rods, tuner cars, and mild street strip applications, as well as heavy-duty towing needs.
Ready to Purchase?
Buying Guide
Rebuilding a TH-350 transmission is easier with the right kit. Choose quality parts to save time and drive with confidence. Our guide helps you find the perfect match for your needs.
Engaging Experience:
Rebuilding your transmission can feel like a big task, but with the right kit, it’s simpler than you think. Whether you’re fixing leaks or boosting performance, the best transmission rebuild kit makes all the difference. Our guide highlights top kits that fit your needs perfectly, so you can get back on the road smoothly.
Factors to Consider When Buying:
– Compatibility: Ensure the kit fits your TH-350 transmission model and year. Check for specific details like spline count or lockup type.
– Quality of Parts: Look for high-quality clutches, seals, and gaskets from trusted brands like Raybestos or Alto.
– Purpose: Decide if you need a kit for daily driving, towing, or performance. Some kits handle heat and heavy use better.
– Completeness: Choose a kit with everything you need, including friction plates, filters, and seals, to avoid missing parts.
– Ease of Installation: Opt for kits with clear instructions or easy-to-install components to save time and effort.
– Price: Balance cost with quality. Affordable kits are great, but don’t compromise on reliability.
– Warranty: Look for kits with a warranty for added peace of mind and protection.