Questions? No Problem!

Call Us 800-631-9814

You are looking at a completely Remanufactured Turbo 400 Conversion Kit, High Performance Street and strip Transmission. With most of the accessories it will take to covert your transmission to a TH400. It is a 3-spd automatic transmission and is also available with a manual shift valve body. It is a high performance transmission and will shift as ordered. Harsh or Just above stock. It is for cars and trucks with up to 650HP. For heavier duty transmissions, 4x4, and stage-3 transmission options please click here.

 If you have nitrous or a turbo, please let  us know. 

- No Core Charge and Free Torque Converter -

Please call us for  more details at 352-433-0648, we’re here to help!     

Need a custom built  transmission? We do that too! Call today for a quote.   

Many parts  available, call for pricing.

What does this  transmission conversion kit include?:

• New Smooth Borg-Warner Clutches for a higher Percantage of Apply Area
• High Performance Stage 2 Shift Kit
• Performance Pump (modified to protect the torque converter from spike pressure in reverse)
• Resurfaced Direct Drum
• Updated/modified Accumulators
• Performance Kevlar band
• (remanufactured) Governor w/ Spring Kit & Nylon Gear
• Valve Body Recalibration Kit
• Modified Separator Plate for Performance Shifts
• New High Flow Filter
• New Heavy Duty Accumulator Spring
• New Modulator
• Free Factory stall Torque Converter
• High Stall Torque Converters Available
• Conversion Kit Accessories Include:  
• Speedometer set up,
• Dust Cover with hold down bolts,
• Fill tube with Locking Dip Stick, 
• Universal Transmission Mount with hold down bolts.

What differentiates  a “Patriot” Transmission from the other guys?

• We have over 30 years in the transmission business – no one builds a better  transmission than us!  
• Our transmissions have been modified with updates and bulletins, so your Patriot transmission will last longer than the original factory transmission.   
• Our warranty is one of the best in the industry.    
• We custom tailor your transmission to YOUR individual needs – driving habits,  horsepower, etc.   
• We custom build transmissions  
• GM factory certified technicians

Investing in a quality built Patriot transmission will provide you with years of value and peace of mind!

Warranty

Our No BS warranty is one of the best in  the business. Extended warranties are available for an additional investment.

With  every transmission we produce, and every part that we sell we guarantee that  within that warranty period, we will repair, rebuild, or replace it, without  reservation or hesitation. All you have to do is call us for a RMA (returned  merchandise authorization) and ship it back to us prepaid and we will do what’s  necessary to fix it. We want you back on the road again ASAP.*   

Because America still makes the greatest  cars and trucks in the world!

*Read Our warranty on patriottransmission website. "No worries" is our motto. No fault, No worries warranty - No one to blame, no one's fault.

*Warranty paperwork must be returned to Patriot Transmission within 14 days of receipt in order to keep warranty in effect.

*No returns or warranty on overseas sales.

Our transmissions are shipped by freight all over the country, to terminal hub or business with a forklift. Freight charges vary depending on where you are located in the country. Charges are designated as follows:

• Southeastern USA (blue on the map): FREE shipping   
• Northeastern USA (orange on map): $175
• Middle USA (green on the map): $175
• Western USA (red on the map): $350

We also ship worldwide, please request a quote from us before you buy. Shipping to Canada and Mexico can be shipped by freight, we ship to other countries by ocean freight (30-45 days to arrive to port).

Call 1-800-631-9814 to request your quote!