Looking for the best transmission compatible spacers? We’ve compiled a list of the top 10 transmission spacers, handpicked for durability, easy installation, and precise fit, to ensure smooth power transfer and perfect alignment for your engine setup.
Transmission spacers are essential parts for engine setups, ensuring perfect alignment and smooth power transfer. Whether you’re working on a Chevy, Ford, or Dodge, the right spacer can make all the difference.
We’ve handpicked the best transmission spacers for durability, easy installation, and precise fit. These spacers are built to last and work seamlessly with your engine, giving you peace of mind.
List of Top 10 Transmission Compatible Spacers
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Camotokiit Transmission Spacer Plate 551820-250 for Chevy SBC BBC LS1 LT1 Engines Gen 1-5 – Fits Powerglide, TH350, TH400, 700R4, 4L60E, 4L80E, 6L80E, 8L90E |
This Camotokiit Transmission Spacer Plate is perfect for car enthusiasts and mechanics working on Chevy engines. It’s ideal for anyone upgrading or repairing their SBC, BBC, LS1, or LT1 engines with common transmissions like Powerglide, TH350, or 4L60E. |
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VANPERT 1818265C1 Engine Transmission Adapter Spacer Plate Compatible with Ford F250 F350 F450 7.3L 1994-2003 E4OD 4R100 ZF5 Replace 194398 1818265C1-B 1818265C1-C |
This adapter spacer plate is perfect for Ford owners with F250, F350, or F450 models from 1994 to 2003. It’s ideal for those seeking easy installation and reliable performance. |
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ZIBOPAR For LS LT Swap Crankshaft Flexplate Adapter Spacer Torque Stall Converter Hub Adapter Transmission Crank Sleeve compatible with LS1 LT1 TH400 TH350 700R4 Flywheel LS2 LS3 LQ4 LS7 5.7 6.0 5.3 |
This product is perfect for car enthusiasts and mechanics tackling LS engine swaps with TH350 TH400 transmissions. It ensures proper alignment for curved flexplate setups, made easy with high-quality iron and corrosion resistance for lasting use. |
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ICT Billet Chevy Transmission Spacer Plate .250 Manual Auto T56 4l80e 4l60e TH350 Powerglide LS SBC BBC LS1 LT Engine 551820-250 |
This spacer plate is perfect for Chevy engine builders needing a precision fit between torque converters and flexplates. It works with SBC, BBC, LS1, LT1 engines and common transmissions like Powerglide, TH350, 4L60E, 4L80E. Made in the USA from hardened aluminum, it ensures durable, reliable spacing for manual or auto builds. |
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Crankshaft Spacer With Bolts LS Short Crank Flexplate Spacer Used With Automatic Transmission Built Before 1997 Compatible With GM LS1 LS2 LS3 LS6 LS7 L92 |
This crankshaft spacer is perfect for car enthusiasts and mechanics working on older GM LS engines with automatic transmissions. It’s ideal for those upgrading or repairing pre-1997 setups, ensuring smooth performance and preventing damage. |
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Lskioer NV4500 NV5600 Transmission Shift Tower Spacer Isolator Plate Bushings Kit TS18873 Fits for Dodge, for Chevy, for GMC, Trans Shifter Base w/4 Spacer Bushings |
This Lskioer NV4500 NV5600 Transmission Shift Tower Spacer Isolator Plate Bushings Kit is perfect for anyone with a Dodge, Chevy, or GMC vehicle that has a 4-bolt shifter and a NV4500 or NV5600 manual transmission. It’s ideal for those looking to improve their shifting experience with an easy-to-install upgrade. |
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1818265C1 4R100 E4OD ZF5 7.3L Transmission Adapter Spacer Plate Fits for Ford F250 F350 F450 1994-2003 Replace# 194398 1818265C1-B 1818265C1-C |
This product is perfect for Ford F250, F350, F450 owners (1994-2003 models) with 7.3L Powerstroke Diesel engines needing a sturdy, reliable transmission adapter spacer. It’s ideal for those upgrading to an E4OD, 4R100, or ZF5 transmission, offering easy installation and long-lasting performance. |
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TEMSONE Flexplate Torque Stall Converter Spacer Flywheel Swap Crankshaft Hub Adapter Compatible with TH350 TH400 Transmission for LS and LT Series Engine |
This product is perfect for car enthusiasts and mechanics upgrading or repairing 1998-2004 LS/LT engines with TH350/TH400 transmissions. It ensures easy install, a durable hard iron build, and precise fit for reliable performance. |
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Chevy Transmission Spacer Plate Manual Auto T56 4l80e 4l60e TH350 Powerglide LS SBC BBC LS1 LT Engine 820 |
This Chevy Transmission Spacer Plate is perfect for car enthusiasts and mechanics who need a reliable, high-quality part to correctly space their torque converter from the flexplate. It’s ideal for Chevy engines like SBC, BBC, LS1, and LT1, and works with common transmissions such as Powerglide, TH350, and 4L80E. |
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NV4500 NV5600 Starter Spacer Kit with Bolts 5 Speed Compatible with Dodge RAM 2500 3500 5.9L Cummins 1994-2002 |
This product is perfect for Dodge RAM 2500/3500 owners with 1994–2002 5.9L Cummins engines needing a starter spacer kit. It solves compatibility between NV4500 starters and NV5600 flywheels, ideal for transmission swaps or upgrades using 13″ flywheels. |
Detailed Reviews
Top-rated Transmission Compatible Spacers for Chevy, Ford, and Dodge engines ensure a precise fit and lasting durability. Each pick—from easy-install aluminum plates to high-strength iron adapters—is tested for real-world performance. Find your perfect match and upgrade your build with expert-vetted solutions designed for hassle-free installs.
1. Camotokiit Transmission Spacer Plate 551820-250 for Chevy SBC BBC LS1 LT1 Engines Gen 1-5 – Fits Powerglide, TH350, TH400, 700R4, 4L60E, 4L80E, 6L80E, 8L90E

Camotokiit Transmission Spacer Plate 551820-250 is a sturdy part for Chevy engines. It fits SBC, BBC, LS1, and LT1 engines from Gen I to Gen V.
This plate works with many transmissions, like Powerglide, TH350, TH400, and more. It has a 0.250-inch thickness made from hardened aluminum for lasting use.
Durable design ensures strength under stress. Easy to install for most Chevy setups. Precise fit matches SBC bolt patterns perfectly.
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Perfect For:
This Camotokiit Transmission Spacer Plate is perfect for car enthusiasts and mechanics working on Chevy engines. It’s ideal for anyone upgrading or repairing their SBC, BBC, LS1, or LT1 engines with common transmissions like Powerglide, TH350, or 4L60E.
Ready to Purchase?
2. VANPERT 1818265C1 Engine Transmission Adapter Spacer Plate Compatible with Ford F250 F350 F450 7.3L 1994-2003 E4OD 4R100 ZF5 Replace 194398 1818265C1-B 1818265C1-C

The VANPERT 1818265C1 Engine Transmission Adapter Spacer Plate is perfect for Ford F250, F350, and F450 models with a 7.3L engine from 1994 to 2003. It works with E4OD, 4R100, and ZF5 transmissions, ensuring a perfect fit.
Easy to install, saves time, and no special skills needed. Its precise design makes it simple for anyone.
Made from high-quality materials, it lasts long and reduces noise and vibrations. Shop with confidence—we’re here to help if you need it.
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Perfect For:
This adapter spacer plate is perfect for Ford owners with F250, F350, or F450 models from 1994 to 2003. It’s ideal for those seeking easy installation and reliable performance.
Ready to Purchase?
3. ZIBOPAR For LS LT Swap Crankshaft Flexplate Adapter Spacer Torque Stall Converter Hub Adapter Transmission Crank Sleeve compatible with LS1 LT1 TH400 TH350 700R4 Flywheel LS2 LS3 LQ4 LS7 5.7 6.0 5.3

The ZIBOPAR Flexplate Adapter Spacer is a must-have for LS or LT engine swaps. It ensures a perfect fit when using a TH350 or TH400 transmission.
Made from high-quality iron with a silver-plated finish, this spacer is strong, rust-resistant, and built to last. It’s designed to align the torque converter with the curved flexplate seamlessly.
Easy to install, durable, and compatible with multiple engines. A reliable solution for your swap project.
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Perfect For:
This product is perfect for car enthusiasts and mechanics tackling LS engine swaps with TH350 TH400 transmissions. It ensures proper alignment for curved flexplate setups, made easy with high-quality iron and corrosion resistance for lasting use.
Ready to Purchase?
4. ICT Billet Chevy Transmission Spacer Plate .250 Manual Auto T56 4l80e 4l60e TH350 Powerglide LS SBC BBC LS1 LT Engine 551820-250

The ICT Billet Chevy Transmission Spacer Plate is a must-have for your engine setup. It ensures perfect spacing between your torque converter and flexplate.
Made from 1/4″ thick, hardened aluminum, this spacer is strong and durable. It’s crafted from aerospace-grade billet aluminum in Wichita, Kansas.
Works with all Chevy engines like SBC, BBC, LS1, and LT1. Compatible with common transmissions including Powerglide, TH350, and 4L60E.
| Pros | Cons |
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Perfect For:
This spacer plate is perfect for Chevy engine builders needing a precision fit between torque converters and flexplates. It works with SBC, BBC, LS1, LT1 engines and common transmissions like Powerglide, TH350, 4L60E, 4L80E. Made in the USA from hardened aluminum, it ensures durable, reliable spacing for manual or auto builds.
Ready to Purchase?
5. Crankshaft Spacer With Bolts LS Short Crank Flexplate Spacer Used With Automatic Transmission Built Before 1997 Compatible With GM LS1 LS2 LS3 LS6 LS7 L92

This crankshaft spacer fits GM LS engines like LS1, LS2, LS3, LS6, LS7, and L92. It works with pre-1997 automatic transmissions such as TH350, TH400, and 700-R4.
Works with TH350, TH400, 700-R4, 4L60, 4L60E, and 4L85E transmissions. Keeps the crankshaft and torque converter from touching. Backed by a 1-year-unlimited-mileage-warranty.
Not compatible with 4L80E transmissions or 1999–2000 6.0L engines with long snout cranks. Always check your setup before buying.
| Pros | Cons |
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Perfect For:
This crankshaft spacer is perfect for car enthusiasts and mechanics working on older GM LS engines with automatic transmissions. It’s ideal for those upgrading or repairing pre-1997 setups, ensuring smooth performance and preventing damage.
Ready to Purchase?
6. Lskioer NV4500 NV5600 Transmission Shift Tower Spacer Isolator Plate Bushings Kit TS18873 Fits for Dodge, for Chevy, for GMC, Trans Shifter Base w/4 Spacer Bushings

This Shift Tower Isolator Plate Bushings Kit fits Dodge, Chevy, and GMC trucks with NV4500 or NV5600 manual transmissions. It includes a spacer plate and four bushings to improve shifter alignment and reduce vibration.
The kit installs easily with no drilling required, using existing bolts for a secure fit. Its modular design works with aftermarket shift parts like short shifters for better performance.
Package includes: 1 spacer plate and 4 bushings. Fits: 1996+ NV4500/NV5600 transmissions with 4-bolt shifters. Note: Spacer sits between shifter stub and transmission cover.
| Pros | Cons |
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Perfect For:
This Lskioer NV4500 NV5600 Transmission Shift Tower Spacer Isolator Plate Bushings Kit is perfect for anyone with a Dodge, Chevy, or GMC vehicle that has a 4-bolt shifter and a NV4500 or NV5600 manual transmission. It’s ideal for those looking to improve their shifting experience with an easy-to-install upgrade.
Ready to Purchase?
7. 1818265C1 4R100 E4OD ZF5 7.3L Transmission Adapter Spacer Plate Fits for Ford F250 F350 F450 1994-2003 Replace# 194398 1818265C1-B 1818265C1-C

The 1818265C1 adapter spacer plate is a perfect fit for Ford F250, F350, and F450 models from 1994 to 2003. It works with 7.3L Powerstroke Diesel engines and E4OD, 4R100, and ZF5 transmissions. This part is built to last and performs well.
It’s easy to install, made to match factory specs, and comes with reliable after-sales support. Shop with confidence knowing help is just a message away.
| Pros | Cons |
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Perfect For:
This product is perfect for Ford F250, F350, F450 owners (1994-2003 models) with 7.3L Powerstroke Diesel engines needing a sturdy, reliable transmission adapter spacer. It’s ideal for those upgrading to an E4OD, 4R100, or ZF5 transmission, offering easy installation and long-lasting performance.
Ready to Purchase?
8. TEMSONE Flexplate Torque Stall Converter Spacer Flywheel Swap Crankshaft Hub Adapter Compatible with TH350 TH400 Transmission for LS and LT Series Engine

The TEMSONE Flexplate Adapter connects LS/LT engines to TH350/TH400 transmissions. It links the flexplate and torque converter for smooth power transfer.
Easy to Install: Tap the adapter into the flexplate until it’s flush with the crankshaft. High Quality: Made from durable hard iron for a precise, long-lasting fit. Service: 1-year support and quick customer help if needed.
| Pros | Cons |
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Perfect For:
This product is perfect for car enthusiasts and mechanics upgrading or repairing 1998-2004 LS/LT engines with TH350/TH400 transmissions. It ensures easy install, a durable hard iron build, and precise fit for reliable performance.
Ready to Purchase?
9. Chevy Transmission Spacer Plate Manual Auto T56 4l80e 4l60e TH350 Powerglide LS SBC BBC LS1 LT Engine 820

The Chevy Transmission Spacer Plate is a must-have for your engine setup. It’s made from 1/8″ thick, hardened aluminum, ensuring durability and reliability. This spacer plate is designed to correctly space your torque converter from your flexplate, giving you peace of mind during installation.
It’s compatible with all Chevy SBC, BBC, LS1, LT1 engines. Works with common transmissions like Powerglide, TH350, and 4L60E. Made in the USA from aerospace-grade billet aluminum.
This spacer plate is built to last and perform. It’s easy to install and works seamlessly with your engine. Get the Chevy Transmission Spacer Plate for a smooth and efficient transmission setup.
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Perfect For:
This Chevy Transmission Spacer Plate is perfect for car enthusiasts and mechanics who need a reliable, high-quality part to correctly space their torque converter from the flexplate. It’s ideal for Chevy engines like SBC, BBC, LS1, and LT1, and works with common transmissions such as Powerglide, TH350, and 4L80E.
Ready to Purchase?
10. NV4500 NV5600 Starter Spacer Kit with Bolts 5 Speed Compatible with Dodge RAM 2500 3500 5.9L Cummins 1994-2002

The NV4500 NV5600 Starter Spacer Kit is perfect for Dodge RAM 2500 & 3500 trucks. It fits 5.9L Cummins Diesel engines from 1994 to 2002. This kit works with 5-speed transmissions.
It replaces factory parts like Cummins 3946085 and 3949583. The kit includes a starter spacer and mounting bolts.
This kit lets you use a 13″ flywheel in older trucks. It’s great for NV4500 upgrades or NV5600 conversions. Satisfaction guaranteed with a 30-day return and 12-month warranty.
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Perfect For:
This product is perfect for Dodge RAM 2500/3500 owners with 1994–2002 5.9L Cummins engines needing a starter spacer kit. It solves compatibility between NV4500 starters and NV5600 flywheels, ideal for transmission swaps or upgrades using 13″ flywheels.
Ready to Purchase?
Buying Guide
Transmission spacers are key parts for engine setups. They ensure perfect alignment and smooth power transfer.
Choosing the right transmission spacer can make your engine run better. Here’s what to look for when buying one:
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Compatibility:
Make sure the spacer fits your engine and transmission. Check the make, model, and year of your vehicle. -
Material:
Look for durable materials like hardened aluminum or iron. These last longer and handle stress well. -
Thickness:
The spacer’s thickness must match your setup. Common sizes are 1/8″ or 1/4″ for precise spacing. -
Ease of Installation:
Choose a spacer that’s easy to install. Some come with bolts or instructions for quick setup. -
Durability:
Pick a spacer that’s built to last. It should resist rust and wear for long-term use. -
Noise Reduction:
Some spacers reduce noise and vibrations. This makes your ride smoother and quieter. -
Warranty:
A warranty gives you peace of mind. Look for 1-year or longer coverage. -
Price:
Compare prices to find the best value. Don’t sacrifice quality for a lower cost.
With these tips, you’ll find the perfect transmission spacer for your needs.