Custom Parts & Accessories
Custom Billet Throttle Bodies
Custom billet throttle bodies with 5 1/4″ stainless throttle plates.
Throttle bodies are designed with Holley 4500 bolt pattern
5 1/4″ Throttle Plates
Extra Thick Throttle Plates to protect from backfire bending.
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Custom Billet Air Cleaner Assemblies
Made to order for your application
Custom Fuel Injection Nozzles
Highest atomization rate on the market.
Fuel Pump Drive Plates
Standard cam location to 1″ raised.
Electric 12 Volt Engine Oil Primers
Never forget to put your drive belt on again.
Prime your motor any time from the driver’s seat!
Custom Built Chrome Moly Tube Frames for 4X4 Pullers
Be a winner right off the trailer with one of our digital scaled frames.
Tired of your truck bouncing and hopping? Smoother truck = less broken parts and more wins!
Dana 80 Custom Wheel Spacers
Custom wheel spacers for Dana 80 rear axle. They allow you to move rear wheels In closer to frame to stop axle flex. These spacers are for dual rear wheel set up
I would like to say you do great work. This motor ran great, and I am very pleased . I have been referring anyone that I know to you in this line of motor work. Everyone looked over my engine and then on first pull gave me big complements on how good it ran. To anyone that is looking for a Hagedorn Racing Engine do it!! You will not be disappointed! And customer service is over top in my business that is how I succeed and you are doing it.
We have been pulling since 1998 and met Terry in 1999 when we had questions due to being new pullers. We needed to know how to set our fuel so we pulled a plug out after our run. One of our competitors said to take it to Terry Hagedorn he will help. When we took the plug to Terry he read it and told us how to adjust our fuel. We have been going to Terry for the last 15 years. He has helped us set up our fuel at the track, set our truck up, build our frame, refresh our motor each year and build our motor bigger and better.
He has also, helped set up our clutch, rear end, front end, tire pressure, and assist us in choosing just the right gear to run on the different tracks. There has been many phone calls over the years late at night with, “What do we need to do?” Terry replies “Well,” and fixes the issue at hand over the phone. Terry has lead us to championships over the years. He keeps his phone close after every pull and is excited to hear how we finished. We have been very pleased with the vast knowledge of our motor builder and would highly recommend Terry in any motorsports arena.