Performance Parts and Racing Parts Campbell Enterprises

Ultra Bell JW Performance Ultra bell SFI Bellhousing JW Ultrabell Flexplate Shield and Automatic Transmission Adapter

The JW Ultra bell is a complete replacement bellhousing that is also a SFI certified flexplate shield. A stock OEM type automatic transmission bellhousing was never intended to handle the power levels that are being produced by today's HP and racing engines and the hard launches provided by modern tire technology and suspension. The JW Ultra-bell is approximately 600 times stronger than original stock type bellhousings. The JW Ultra bell is built to SFI specifications to restrict and contain a flexplate, flywheel, explosion. Since the Ultrabell meets the SFI flywheel shield requirements for racing, you do not have to run a separate flexplate, flywheel, shield to meet racing sanctioning body rules.

JW Ultra Bell SFI Transmission Bellhousing

The Ultra-bell is also great when used as a transmission adapter to adapt numerous transmission and engine combinations together, in a simple easy to install package. The Ultra bell enables many special engine and transmission combinations to be mated together. For instance, a Mopar engine can be mated to a GM transmission easily by using the proper Ultrabell transmission adapter. Trans adapter list here.

The JW ultra-bells one piece aluminum casting withstands severe twisting in the highest powered applications and fits under stock floors. The high strength construction of the ultrabell can withstand even the most severe tire shake, wheelstands, off road use, pulling competitions, and more. Installation is easily done by removing the stock bellhousing and bolting the Ultra bell to the front pump with the supplied high grade bolts.

Transmission adapter JW Ultra Bell Racing Bellhousing and transmission adapterCombine the ultra bell with a JW The Wheel flexplate, to get the ultimate in strength and dependability from your high horsepower vehicle. We also offer the needed flywheels, flexplates, and crank adapters to use when the JW ultra bell is used as a transmission adapter. If you are running a powerglide transmission, you can also use the JW Ultra case for the ultimate in strength for a powerglide SFI certified case. More info about the ultra case is available on our website here: Ultra case powerglide racing transmission case and TH400 Ultra Case 32310

Select your engine type from the left column, then look across to find the part number for the ultra bell to use with your engine and transmission type. Click on the part number for pricing or to order. To complete the installation of your Ultra-bell, when being used as a transmission adapter, you will also need the matching crankshaft adapter which is listed below. We strongly recommend that you also use a JW Performance "The Wheel" high performance SFI certified flexplate automatic transmission flywheel. Information on these high strength flexplates, flywheels, is on our website here: The Wheel SFI Flexplates

 

Ultra Bell Models for AMC Engines

JW Ultrabell AMC Engine Bellhousing SFI certified Ultra bell

 

Chevy Powerglide Chevy TH350 and TH400
AMC Ultra Bell 92464 92464-A

 

Chevy Buick Pontiac Olds GM Engine JW Ultra Bell Models

Application chart for JW Ultra Bell Bellhousing and transmission adapter SFI certified Ultrabell

Please note, that the GM engine Ultra-bell models will bolt to Chevrolet, Buick, Pontiac and Oldsmobile engine blocks. They have a multi engine mounting pattern. You do not have to get a different ultrabell for different GM V8 engines.

 

Chevy Powerglide Chevy TH350 and TH400 GM Metric 200 Ford C4 Ford AOD
Chevy Buick Pontiac Oldsmobile V8 Ultrabell 92450 92451 M200GM

92463

NOTE: This ultrabell does NOT require a crank adapter but it requires modifications to the torque converter to work properly with this bellhousing.

92450-AOD

NOTE: This ultrabell does NOT require a crank adapter but it requires modifications to the torque converter to work properly with this bellhousing.

 

Ford Engine JW Ultra Bell Models

FORD JW Ultrabell Bellhousing and transmission adapter SFI certified Ultra bell

 

Chevy Powerglide Chevy TH350 & TH400 Ford C4 Ford AOD
Small block Ford 157 Tooth Ultrabell 92453-157 92453-A157 92462-157  
Small block Ford 164 Tooth Ultra bell 92453-164 92453-A164 92462-164 92453-164AOD
Big Block Ford Ultrabell 92454 92454-A 92461 92454-AOD
Ford 4.6 MOD Ultra bell 92462-46P 92462-46TH 92462-46  

 

Chrysler Dodge Plymouth Mopar Ultra Bell Models

Application chart for JW Ultra Bell Bellhousing and transmission adapter SFI certified Ultrabell

* 92457, when used with an A518 transmission must use 11" or smaller converter for the Mopar 518 overdrive transmission when used with a big block Mopar engine.

 

Chevy Powerglide Chevy TH350 and TH400 Mopar 727 Mopar 904 Mopar A518
Small Block Mopar Ultra Bell 92455 92455-A 92458 92460  
Modern 5.7 and 6.1 Hemi   92455-A (Drivers side starter mount)      
Mopar Big Block, Wedge and Hemi Ultra Bell 92456 92456-A 92457 92459 * 92457

Chrysler 392 Hemi Ultrabell

NOTE: 392 Ultra Bell installation requires adapter plate # 92456HP in addition to the ultra bell

92456-H

92456HP

92456-H4

92456HP
     

 

Automatic Transmission Shifters

B&M Pro Ratchet Racing Automati Shifter Image

Big selection, BEST price guarantee and FREE shipping!

Please CLICK HERE to view our automatic transmission shifter kits and replacement cables

 

JW Ultrabell CRANK ADAPTERS

 

Crank adapters for use with Ultrabell when using one manufactures engine with another brand transmission

Crank adapter sleeve description

Part Number

Big block Ford engine to GM Transmission Powerglide, TH350, TH400 80002-1
Small block Ford engine to GM Transmission Powerglide, TH350, TH400 80002-3
1959 or earlier Chrysler Hemi w/1.852" crank to GM Transmission Powerglide, TH350, TH400 80002-4
392 Hemi w/1.932" crank to GM Transmission Powerglide, TH350, TH400 80002-5
Mopar small and big block engines, 6 bolt crank to GM Transmission Powerglide, TH350, TH400 80012
Mopar big block and Hemi engines, 8 bolt crank to GM Transmission Powerglide, TH350, TH400 80013
GM engine to Ford C4 or AOD Transmission 80015
Chrysler 5.7 Hemi to GM PG, TH350 or TH400 80027

 

SFI Certification Reminder

A SFI certified flexplate shield is required for sanctioned drag racing events for vehicles running 11.99 seconds or quicker in the 1/4 mile, 7.49 seconds or quicker in the 1/8 mile, or any vehicle that exceeds 135 mph on the strip. SFI certification is valid for 5 years. With a stock automatic transmission bellhousing, you have to run a separate transmission shield like we have listed on our website here: SFI Flexplate Shields This is a separate shield that you install between the automatic transmission bellhousing and back of the engine block. Another benefit of the JW Ultrabell is that when using the Ultra Bell, it is certified as the SFI required flexplate shield, so you do NOT have to run a separate flexplate or flywheel shield.

The JW Ultra Bell, Ultra Case, flexplate shields, flywheel shields and transmission shields that we sell, all have the most current available SFI certification decal available at the time of sale. You will not be getting a part that has a SFI decal that is already many months or even years old. This saves you money be insuring the longest possible time before a required SFI re-certification.

JW UltraBell Transmission Adapter Applications

The below section shows the same Ultrabell part numbers as the above chart, but separated out into which models are engine to transmission adapters and which are not.

If you want to adapt an automatic transmission to a different engine than what it was originally designed for, you will find that the JW Ultrabell is ideal for this. It provides a simple way to adapt many different model transmissions, to many different engine types, in an easy to install manner. Even if you are not building a race car so you do not need the SFI certification, the superior strength of the Ultra Bell will provide you with a transmission adapter that is strong and durable. This makes the ultrabell well suited for use in custom cars, hot rods, street rods, off road trucks and other special applications. Click on the part number for pricing or to order. In most applications you will also need a crank adapter, as listed here and a flexplate as listed here The Wheel SFI Flexplate Flywheel

AMC to Powerglide Trans adapter 92464
AMC to TH400 Turbo 400 or TH350 Turbo 350 Transmission adapter 92464-A

Chrysler 392 Hemi to Powerglide Transmission adapter 92456-H also requires adapter plate jwp92456hp
Chrysler 392 Hemi to TH400 Turbo 400 Transmission adapter 92456-H4 also requires adapter plate jwp92456hp
Chrysler 392 Hemi to TH350 Turbo 350 Trans adapter 92456-H3 also requires adapter plate jwp92456hp

Mopar small block engine to Powerglide trans 92455
Mopar small block to Turbo 400 or Turbo 350 transmission 92455-A

Mopar big block and 426 Hemi A 518 transmission adapter 92457 (must use 11" or smaller torque converter)
Mopar big block engine and 426 Hemi engine to Powerglide trans adapter 92456
Mopar big block and 426 Hemi to Turbo 350 Ultra Bell transmission adapter 92456-A
Mopar big block wedge and 426 Hemi to Turbo 400 trans adapter 92456-A

Ultra bell replacement bellhousing applications for use with OEM engine and transmission combinations

Ford small block 157 tooth flywheel and C4 trans 92462-157
Ford small block 164 tooth flywheel and C4 trans 92462-164
Ford big block engine with C4 transmission 92461
Ford 4.6 MOD engine with C4 transmission 92462-46
Ford small block 164 tooth with AOD trans 92453-AOD
Ford big block with AOD transmission 92454-AOD

GM V8 engine with Powerglide transmission 92450
GM V8 engine with Turbo 350 TH350 transmission 92452
GM V8 engine with Turbo 400 TH400 transmission 92451

Mopar small block engine with 904 torqueflite transmission 92460
Mopar small block with 727 torqueflight transmission 92458

Mopar big block and 426 Hemi engine with 904 torqueflight transmission 92459
Mopar Hemi and big block wedge engine with 727 torqueflite transmission 92457
Mopar big block 383 400 413 440 Wedge and 426 Hemi to A 518 Mopar Transmission 92457 (must use 11" or smaller torque converter)

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