Transmission Adapter Plate & Swap Kits
When building a custom vehicle powertrain, one option is to swap out the transmission for a different type or model. To connect transmissions to engines that they were not designed for, transmission adapter plates are needed. Off-the-shelf engine to transmission adapters help make the conversion much easier than having to design and make custom transmission adapter plates. JEGS offers transmission adapter plates and swap kits from top brands like Quick Time Bellhousing, Trans Dapt, TCI, Lakewood, JEGS, and others. Automatic and manual transmission swap kits provide the plate and components you need to properly mate your engine to the transmission of choice. Browse our full line of transmission adapter plate and swap kits to help complete your custom engine and transmission setup.
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For restomods or other custom vehicle projects, matching up a transmission to an engine for which it wasn't designed can be a real headache. That's where an engine to transmission adapter kit can come to your rescue. Sure, you can fabricate a transmission plate that would probably work, but a Chevy engine to transmission adapter (for instance) has everything you need for this conversion, making the swap a lot easier and headache-free.
There's more to this job than just the transmission plate, of course. You may need parts like the motor plate, a crankshaft spacer to match up to the torque converter (on pre-1997 Chevy drivetrains), shim kits and maybe even a crossmember. The adapter plate is machined from aluminum or steel and is designed to bolt to the back of the engine block, using the bolt pattern the engine was manufactured with. The other side of the adapter plate will have bolt holes laid out to match the bolt pattern of the transmission to ensure compatibility.
In some instances, using an adapter plate might mean removing the transmission's bellhousing and bolting up the adapter in its place. When properly installed, the adapter plate not only ensures that the engine and transmission are securely matched up, but it heads off any headaches with misalignment, balance issues and leaks.
If you're in need of an adapter plate or swap kit to facilitate your project, we've got what you need right here, from top brands like Lakewood, ICT, Hurst, Gearstar, JEGS and Quick Time. A high quality, precision manufactured adapter plate or swap kit can ensure a reliable connection between engine and transmission and can make your swap or installation go a lot smoother.
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G FORCE PERFORMANCE PRODUCTS
GF-LSZ32-S Transmission Adapter Kit for Nissan 300ZX Z32 to Chevy LS
Part Number: 472-GF-LSZ32-S

G FORCE PERFORMANCE PRODUCTS
GF-LSZ32-S Transmission Adapter Kit for Nissan 300ZX Z32 to Chevy LS
Part Number: 472-GF-LSZ32-S

HOOKER HEADERS
Blackheart LS Engine Swap Transmission Crossmember Adapter
Part Number: 520-12647

HOOKER HEADERS
Blackheart LS Engine Swap Transmission Crossmember Adapter
Part Number: 520-12647

HOOKER HEADERS
Blackheart LS Engine Swap Transmission Crossmember Adapter Bracket
Part Number: 520-12656

HOOKER HEADERS
Blackheart LS Engine Swap Transmission Crossmember Adapter Bracket
Part Number: 520-12656

TRANS DAPT
Auto-Trans Adapter 1966-Up Buick, Oldsmobile, Pontiac, Cadillac V8 to 1962-Up Chevy TH350, TH400 & 700R4 Transmissions
Part Number: 969-0061

TRANS DAPT
Auto-Trans Adapter 1966-Up Buick, Oldsmobile, Pontiac, Cadillac V8 to 1962-Up Chevy TH350, TH400 & 700R4 Transmissions
Part Number: 969-0061

COAN RACING
Ford Engine to GM Transmission Adapter Plate Kit with 1.848 Pilot
Part Number: 206-COA-980030-2

COAN RACING
Ford Engine to GM Transmission Adapter Plate Kit with 1.848 Pilot
Part Number: 206-COA-980030-2

G FORCE PERFORMANCE PRODUCTS
GF-LSZ33-SP Adapter Spacer Plate for 1999-2000 Chevy LS LQ4 Engines, Used w/ GF-LSZ33-S
Part Number: 472-GF-LSZ33-SP

G FORCE PERFORMANCE PRODUCTS
GF-LSZ33-SP Adapter Spacer Plate for 1999-2000 Chevy LS LQ4 Engines, Used w/ GF-LSZ33-S
Part Number: 472-GF-LSZ33-SP

G FORCE PERFORMANCE PRODUCTS
GF-C-S Adapter Plate and Flexplate Kit for 1989-2002 Dodge Cummins to GM TH400, 700R4, 4L80E Transmission
Part Number: 472-GF-C-S

G FORCE PERFORMANCE PRODUCTS
GF-C-S Adapter Plate and Flexplate Kit for 1989-2002 Dodge Cummins to GM TH400, 700R4, 4L80E Transmission
Part Number: 472-GF-C-S

G FORCE PERFORMANCE PRODUCTS
GF-LSZ33-S Transmission Adapter Plate & Flywheel Kit for Nissan 350Z Z33 to Chevy LS
Part Number: 472-GF-LSZ33-S

G FORCE PERFORMANCE PRODUCTS
GF-LSZ33-S Transmission Adapter Plate & Flywheel Kit for Nissan 350Z Z33 to Chevy LS
Part Number: 472-GF-LSZ33-S

G FORCE PERFORMANCE PRODUCTS
GF-LSAR5-KIT Transmission Adapter Kit for Chevy LS (Gen III/IV) to AR5 5-Speed
Part Number: 472-GF-LSAR5-KIT

G FORCE PERFORMANCE PRODUCTS
GF-LSAR5-KIT Transmission Adapter Kit for Chevy LS (Gen III/IV) to AR5 5-Speed
Part Number: 472-GF-LSAR5-KIT

G FORCE PERFORMANCE PRODUCTS
GF-LSFXT-S Transmission Adapter Kit for 2005-2015 Nissan Frontier/Xterra 6-Speed to Chevy LS
Part Number: 472-GF-LSFXT-S

G FORCE PERFORMANCE PRODUCTS
GF-LSFXT-S Transmission Adapter Kit for 2005-2015 Nissan Frontier/Xterra 6-Speed to Chevy LS
Part Number: 472-GF-LSFXT-S

G FORCE PERFORMANCE PRODUCTS
GF-F5R110-SL Adapter Plate and Flexplate Kit for 2003-2024 Cummins 6BT to 5R110 Ford Transmission
Part Number: 472-GF-F5R110-SL

G FORCE PERFORMANCE PRODUCTS
GF-F5R110-SL Adapter Plate and Flexplate Kit for 2003-2024 Cummins 6BT to 5R110 Ford Transmission
Part Number: 472-GF-F5R110-SL
![Blackheart A727 Transmission Crossmember Adapter Bracket [Gen III Hemi Swap]](https://www.jegs.com/images/mini_100/500/520/520-bhs534.jpg)
HOOKER HEADERS
Blackheart A727 Transmission Crossmember Adapter Bracket [Gen III Hemi Swap]
Part Number: 520-BHS534
![Blackheart A727 Transmission Crossmember Adapter Bracket [Gen III Hemi Swap]](https://www.jegs.com/images/mini_200/500/520/520-bhs534.jpg)
HOOKER HEADERS
Blackheart A727 Transmission Crossmember Adapter Bracket [Gen III Hemi Swap]
Part Number: 520-BHS534

HOOKER HEADERS
Blackheart Gen III Hemi Swap A727 or TKX Transmission Adapter Plate Fits Select 1973-1976 Dodge, Plymouth Models
Part Number: 520-BHS573

HOOKER HEADERS
Blackheart Gen III Hemi Swap A727 or TKX Transmission Adapter Plate Fits Select 1973-1976 Dodge, Plymouth Models
Part Number: 520-BHS573
![Blackheart NAG1 Transmission Crossmember Adapter Bracket for Select 1973-1976 Dodge, Plymouth Models [Gen III Hemi Swap]](https://www.jegs.com/images/mini_100/500/520/520-bhs574.jpg)
HOOKER HEADERS
Blackheart NAG1 Transmission Crossmember Adapter Bracket for Select 1973-1976 Dodge, Plymouth Models [Gen III Hemi Swap]
Part Number: 520-BHS574
![Blackheart NAG1 Transmission Crossmember Adapter Bracket for Select 1973-1976 Dodge, Plymouth Models [Gen III Hemi Swap]](https://www.jegs.com/images/mini_200/500/520/520-bhs574.jpg)
HOOKER HEADERS
Blackheart NAG1 Transmission Crossmember Adapter Bracket for Select 1973-1976 Dodge, Plymouth Models [Gen III Hemi Swap]
Part Number: 520-BHS574
![Blackheart 8HP70 Transmission Crossmember Adapter Plate [Gen III Hemi Swap]](https://www.jegs.com/images/mini_100/500/520/520-bhs570.jpg)
HOOKER HEADERS
Blackheart 8HP70 Transmission Crossmember Adapter Plate [Gen III Hemi Swap]
Part Number: 520-BHS570
![Blackheart 8HP70 Transmission Crossmember Adapter Plate [Gen III Hemi Swap]](https://www.jegs.com/images/mini_200/500/520/520-bhs570.jpg)
HOOKER HEADERS
Blackheart 8HP70 Transmission Crossmember Adapter Plate [Gen III Hemi Swap]
Part Number: 520-BHS570

HOOKER HEADERS
Blackheart GM T-56/T-56 Magnum Transmission Adapter Bracket for 1988-2000 GM Trucks, SUVs w/Gen III/IV LS, Gen V LT Engine Swap
Part Number: 520-BHS565

HOOKER HEADERS
Blackheart GM T-56/T-56 Magnum Transmission Adapter Bracket for 1988-2000 GM Trucks, SUVs w/Gen III/IV LS, Gen V LT Engine Swap
Part Number: 520-BHS565
![551001-GEN2B Transmission Bellhousing Adapter Plate [GM LS Engine to 2009-Up Nissan Gen 2 JK]](https://www.jegs.com/images/mini_100/300/335/335-551001-gen2b.jpg)
ICT BILLET
551001-GEN2B Transmission Bellhousing Adapter Plate [GM LS Engine to 2009-Up Nissan Gen 2 JK]
Part Number: 335-551001-GEN2B
![551001-GEN2B Transmission Bellhousing Adapter Plate [GM LS Engine to 2009-Up Nissan Gen 2 JK]](https://www.jegs.com/images/mini_200/300/335/335-551001-gen2b.jpg)
ICT BILLET
551001-GEN2B Transmission Bellhousing Adapter Plate [GM LS Engine to 2009-Up Nissan Gen 2 JK]
Part Number: 335-551001-GEN2B
How Is Engine Connected to Transmission?
The connection between an engine and a transmission in an automotive setup is crucial for transferring power generated by the engine to the wheels. This connection is facilitated by a component known as a transmission adapter plate. Here's how it works:
- 1. Adapter Plate: A transmission adapter plate is a precisely machined piece of material, often made from aluminum or steel. It serves as an interface between the engine and the transmission.
- 2. Bolt-On Installation: The adapter plate is bolted onto the back of the engine block, where it matches the engine's bolt pattern.
- 3. Transmission Compatibility: The other side of the adapter plate is designed to match the bolt pattern of the transmission.
- 4. Secure Connection: By connecting the engine and transmission using the adapter plate, a secure and precise connection is established. This allows for the transfer of power from the engine to the transmission without misalignment or play.
It's essential to choose the right transmission adapter plate for your specific engine and transmission combination to ensure a proper fit and optimal performance.
What Is a Transmission Adapter?
A transmission adapter is a crucial component in engine and transmission swaps or conversions. It's designed to address compatibility issues that may arise when installing a different engine or transmission into a vehicle. Here are its key functions:
- 1. Compatibility: Transmission adapters are engineered to bridge the gap between an engine and a transmission with different bolt patterns or mounting configurations.
- 2. Precision Engineering: These adapters are precision-machined to ensure a perfect fit, maintaining the alignment and balance between the engine and transmission.
- 3. Flexibility: Transmission adapters come in various designs and thicknesses to accommodate different engine and transmission combinations.
- 4. Installation: Installing a transmission adapter often involves removing the existing bell housing and bolting the adapter in its place.
Overall, a transmission adapter plays a crucial role in simplifying engine and transmission swaps, making it possible to install non-OEM powertrain components into a vehicle.
How Much Does an Engine to Transmission Adapter Kit Cost?
The cost of an engine to transmission adapter kit can vary depending on several factors. These factors include the type of engine and transmission you're working with, the brand and quality of the kit, and any additional components or accessories included. On average, you can expect to pay anywhere from $100 to $500 or more for an adapter kit.
It's essential to choose a kit that matches your specific engine and transmission combination and provides the necessary hardware for a successful installation. Investing in a high-quality adapter kit ensures a reliable and precise connection between the engine and transmission.




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