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Winning the feature means you have to have a tough tranny in your derby car.  Here you will find some of the best products on the market for making your tranny bullet proof.  We're adding new stuff all the time so keep checking back!
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Fluidyne Tranny Cooler
Fluidyne Enduro Tranny Cooler
Our Price: $525.00

This is a top of the line tranny cooler and is used by some of the top drivers in the country. How do we know? Because we sold it to them! We can't tell you who, but guys running this cooler finished in the top 5 of some of the biggest derby's in the country last year.

Fluidyne Enduro Tranny Coolers can tame heat and put it in its place. They have an 11" electric fan mounted directly to them, enclosed in shrouding that ensures maximum airflow through the cooler core, to deliver maximum cooling. The enclosed design means you can mount this cooler just about anywhere. In addition to the normal inlet and outlet fittings, they have threaded bosses to accommodate temperature sending units for inlet temperature, outlet temperature, or both. They also add two quarts of fluid to whatever system they're protecting, which further helps cooling.

Don't take chances with overheating your tranny. Do what the top drivers in the country do and get this Fluidyne Enduro Tranny Cooler!

Width: 15"
Height: 15"
Thickness: 9"
Outlet: 1/2" NPT

Special order item takes additional 1-2 weeks for delivery
Fluidyne Tranny Cooler
Fluidyne Tranny Cooler-Electric Fan
Our Price: $425.00

This is the little brother of the Fluidyne Enduro Tranny Cooler. This is still a great cooler, but is a more affordable option.

Keeping tranny fluid temperatures down is a really great way to minimize wear and tear and to prolong the life of your expensive derby tranny. One of the best ways to give your tranny that protection is with Fluidyne oil cooler with fan kits. These efficient oil cooler kits are built to handle the toughest and most demanding jobs. They're fitted with high-quality, 12 V, 8" high-flow fans for quick and efficient output.

Width: 10"
Height: 12"
Thickness: 7"
Outlet: AN 10

Special order item takes additional 1-2 weeks for delivery
Ultra bell
JW Performance Ultra Bell-TH400 to Small Block Ford
Our Price: $399.00

Stock bellhousings can't withstand the punishment of today's top derby's. You don't want a broken transmission bellhousing to keep you from winning the feature. Using the latest technology, J.W. Performance has developed the Ultra Bell bellhousings. They are designed to be certified flexplate shields and allow for special motor and transmission combinations to be easily mated together. J.W. Performance Ultra Bell bellhousings are manufactured from one-piece cast aluminum, making them 600 times stronger than stock bellhousings. They are capable of taking a beating and still deliver power to the rear end. Ultra Bell's are designed to fit under most stock floorboards, and are made in the USA.

Stock bellhousing must be cut off of transmission. This bolts directly to front pump. Bolts included. Will work with OEM 12 in. torque converters and smaller. This bell housing bolts a GM TH400 Automatic to Ford Windsor small block.

This item is not normally stocked and takes about 1 week extra to order in. Select for 157 tooth or 164 tooth fly wheel

If you don't see the transmission/engine combo you want (like small block Ford to Powerglide) then just give us a call. We can get most Ultra Bell's that JW Performance makes.
Nerat Steel Bell Housing
Nerat Steel Bell Housing Mopar-TH400
Our Price: $399.00

Nerat is introducing a new steel bell housing.  This one is for fitting a TH400 to a Mopar small block.  The fit up requirements are the same as using a JW Performance Ultrabell that fits a TH400 to a Mopar small block.

If you have been using a 727 and are now switching to a TH400 with the bell housing, look for a long shaft TH400 because the length is almost identical to a 727 and therefore the other components in your set up should remain the same.

The Nerat Steel Bell Housing is the toughest, most heavy duty bell housing you will find, period. This is made of steel, formed and welded. No cast aluminum on this one.

Bolt pattern for a TH400 transmission. You can use either a TH350 or TH400 torque converter.

Guys that want to win don't take any chances. This is the best bell housing money can buy.

Picture shown is the standard bell housing.  Picture of the actual Mopar bell housing is coming soon.
Ultra bell
JW Performance Ultra Bell Bellhousing-LS
Our Price: $349.00

Stock bellhousings can't withstand the punishment of today's top derby's.  You don't want a broken transmission bellhousing to keep you from winning the feature.  Using the latest technology, J.W. Performance has developed the Ultra Bell bellhousings. They are designed to be certified flexplate shields and allow for special motor and transmission combinations to be easily mated together. J.W. Performance Ultra Bell bellhousings are manufactured from one-piece cast aluminum, making them 600 times stronger than stock bellhousings. They are capable of taking a beating and still deliver power to the rear end.  Ultra Bell's are designed to fit under most stock floorboards, and are made in the USA.

Stock bellhousing must be cut off of transmission. This bolts directly to front pump. Bolts included. Will work with OEM 12 in. torque converters and smaller.

GM TH400 Automatic to GM Small Block GenIII/IV LS Series

If you don't see the transmission/engine combo you want (like small block Ford to Powerglide or small block Ford to TH400) then just give us a call.  We can get most Ultra Bell's that JW Performance makes.
Nerat Steel Bell Housing
Nerat Steel Bell Housing
Our Price: $349.00

This is the one you heard about!

The Nerat Steel Bell Housing is the toughest, most heavy duty bell housing you will find, period. This is made of steel, formed and welded. No cast aluminum on this one.

Bolt pattern for a TH400 transmission. You can use either a TH350 or TH400 torque converter.

Guys that want to win don't take any chances. This is the best bell housing money can buy.

Use our laser cut front and rear plate to make an awesome tranny protector that bolts right up to your bell housing.

Ultra bell
JW Performance Ultra Bell Bellhousing-TH400/350
Our Price: $299.00

Stock bellhousings can't withstand the punishment of today's top derby's.  You don't want a broken transmission bellhousing to keep you from winning the feature.  Using the latest technology, J.W. Performance has developed the Ultra Bell bellhousings. They are designed to be certified flexplate shields and allow for special motor and transmission combinations to be easily mated together. J.W. Performance Ultra Bell bellhousings are manufactured from one-piece cast aluminum, making them 600 times stronger than stock bellhousings. They are capable of taking a beating and still deliver power to the rear end.  Ultra Bell's are designed to fit under most stock floorboards, and are made in the USA.

Stock bellhousing must be cut off of transmission. This bolts directly to front pump. Bolts included. Will work with OEM 12 in. torque converters and smaller.

GM TH400 or TH350 Automatic to GM small block/big block.

If you don't see the transmission/engine combo you want (like small block Ford to Powerglide) then just give us a call.  We can get most Ultra Bell's that JW Performance makes.
derby car shifter, cable shifter
DerbyParts.com Cable Shifter
Our Price: $199.00

All new for 2015 DerbyParts.com Cable Shifter! DerbyParts.com has an all new cable shifter for your derby car. This shifter is perfect for giving you flexibility in setting up your car. It can be mounted to the cage, the floor or anywhere else you want. The 8" machined aluminum handle looks great and gives you a great grip. The heavy duty ball detent keeps you in gear and can be adjusted to get the feel you want. The tranny bracket bolts on the side of the tranny with the pan bolts and holds the shift cable in place. The ball lock pin locks you in park with your are stopped and keeps you locked out of park when you are derbying.

New for 2015, we have a super heavy duty cable! This cable is 6' long and is the same cable used for our gas pedal just in a shorter length.

Available for either TH400 of TH350
derby car shifter, big rock shifter
Big Rock Shifter
Our Price: $199.00

We now carry the Big Rock Shifter for either TH350 or TH400. You won't find a better shifter anywhere. Made of all laser cut parts, the shifter has a spring ball detent for each position (park, reverse, drive, etc.). The locking pin can be used to either lock the car in park, or to prevent you from accidentally dropping it in park during the derby. Comes with an 8" machined aluminum handle.

We are currently out of stock of TH400 shifters
electric fan tranny cooler
Derale Transmission Cooler - Electric Fan
Our Price: $179.00

This is a good, affordable electric fan tranny cooler that can be cage mounted or just about anywhere you want. An efficient 16-pass tube-and-fin cooler coupled with a Tornado fan and aluminum brackets makes this unit ideal for the toughest derby's.

Mounts anywhere space permits
Electric fan supplies optimum air flow
16 pass core
650 CFM reversible Tornado electric fan
Built with AN 6 male fittings
Two 3/8" hose barb adapters included
16-3/4" wide, 11-1/2" tall, 5" thick