Heavy Mod Performance
ATV/UTV/Dirtbike/Snowmobile/PWC repair-service-mild builds to custom builds. We also do some automotive builds.
406-672-8420 ask for Dave.
07/20/2022
Installed a reman engine in a customer's 2017 Polaris Sportsman 570 and serviced front differential and transmission this week. It's a ranch rig, if you can't tell...lol.
03/31/2021
Did a Whipple upgrade kit for the 3.5L EcoBoost on the tow truck. Came with bigger intercooler, different airbox and custom tune. Pretty impressive horsepower/torque gains! And installed a JLT oil separator.
03/31/2021
3.0 Whipple install on a 2019 GMC Denali 6.2
03/31/2021
Some exhaust work on the shop truck.
04/24/2020
Got the Triple X seats in from Side by Side Addicts!
04/18/2020
Just finished this complete engine and frame build on Jordan Schmidt's 2001 Yamaha Banshee. This 4 wheeler was a mess when I got it for the rebuild! We made it a 4mill stock cylinder build that I had Rob at RDZ port the cylinders and cut the head on. Completely rebuilt the frame with Fireball Racing +6 swingarm and +1 +2 a-arms. Converted carbs from the crappy TORS system. This Banshee rips pretty good...it is very impressive! It was definitely an expensive rebuild, tipping the $10,000 mark with parts, labor and sublet work! We started this project in December. Thanks Jordan for your business!!
04/13/2020
Got the cage bolted down and the doors installed today!! Liking this lower roof line cage! Waiting for the seats to show up.
04/12/2020
Got my screw-up fixed when I was prying turbo boost tube off. Couldn't get at the plug in for boost pressure sensor...while it pulled all the wires out of the plug in. Was having trouble getting one wire to snap into the connector. That was the main reason for pulling the box off, so I could get at the connector. One terminal was slightly tweaked..got it straightened out and it finally snapped into connector. Had to reroute the boost pressure sensor wire to give it some slack. Was pretty tight from factory. After fixing that, I started installing the Vent Racing cage...like the looks of the lower roof line design.
04/12/2020
The new ride is getting some mods and some add-ons. Got the Dominator turbo installed, head studs installed and the valves adjusted so far. It's getting a Vent Racing roll cage, Triple X seats from Side by Side Addicts and Packard V2 wheels with sand tires I have to get yet.
12/13/2019
Finished rebuilding the clutches on Don Olson's 2011 Polaris 800 RZR today. Came in with terrible belt squealing and wouldn't go over 35mph.
07/23/2019
Got my clutch fixture stand mounted to the floor...it works awesome!! Will be able to rebuild primary clutches with ease.
06/26/2019
Got the sand tires mounted for Bob Roberts.. going on his CanAm X3. Going to deliver them to him this afternoon.
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Website
Address
2839 Drury Lane
Billings, MT
59105
Opening Hours
| Monday | 9am - 4pm |
| Tuesday | 9am - 4pm |
| Wednesday | 9am - 4pm |
| Thursday | 9am - 4pm |
| Friday | 9am - 4pm |
| Saturday | 9am - 4pm |