GOS Performance

GOS Performance Located in the heart of the Rocky Mountains, is your # 1 source for Cummins conversions and Allison transmission conversions. Unparalleled support, period.

Located in the heart of the Rocky Mountains, we are your # 1 source for Ford Cummins conversions and Allison transmission conversions! We manufacture and sell the best conversion parts in the industry, with no middle man involved. We are your direct source for Cummins conversion parts. Here at GOS you can rest assured that the product you purchase is the best money can buy. Customer service is our

#1 priority before, during, and after the sale, which is why our technical support team is second-to-none. We have been performing Cummins swaps since 2001. What does this mean for our customers? Need help with torque specs? We have the answers. Need help with proper install procedures? It doesn't matter if you are a do it yourselfer, a seasoned vet or a service repair shop, if you can't find the part or information you need? Please call us at 1-800-620-4467, or e-mail us at [email protected]

Cummins conversions. Allison conversions. Built right. ⚙️
06/02/2026

Cummins conversions. Allison conversions. Built right. ⚙️

Camping trips, mountain roads, and backcountry trails all require the right setup. Custom attachments and storage soluti...
05/31/2026

Camping trips, mountain roads, and backcountry trails all require the right setup. Custom attachments and storage solutions make loading up and getting out easier than ever.

Mud, rocks, and uneven ground push your truck harder than pavement ever will. A capable setup makes every trail ride smo...
05/28/2026

Mud, rocks, and uneven ground push your truck harder than pavement ever will. A capable setup makes every trail ride smoother and more controlled.

From campers to trailers and weekend toys, a dependable tow hitch setup helps your truck handle the extra weight with co...
05/26/2026

From campers to trailers and weekend toys, a dependable tow hitch setup helps your truck handle the extra weight with confidence.

From roof racks to side steps and towing setups, the right additions help your truck handle camping gear, coolers, trail...
05/22/2026

From roof racks to side steps and towing setups, the right additions help your truck handle camping gear, coolers, trailers, and everything else summer throws at it.

Early mornings, dark trails, and back roads demand better visibility. A quality light bar helps you see farther and reac...
05/20/2026

Early mornings, dark trails, and back roads demand better visibility. A quality light bar helps you see farther and react sooner when conditions get rough.

Every truck owner has a vision. Whether it’s built for work, trails, towing, or weekends away, the right upgrades turn a...
05/18/2026

Every truck owner has a vision. Whether it’s built for work, trails, towing, or weekends away, the right upgrades turn a good truck into your truck.

Spring trails get messy fast. Better clearance, solid tires, and dependable suspension help keep your truck moving when ...
05/15/2026

Spring trails get messy fast. Better clearance, solid tires, and dependable suspension help keep your truck moving when the ground turns soft.

Summer means more gear, more trips, and more time outside. Roof racks, storage setups, and truck accessories help make e...
05/13/2026

Summer means more gear, more trips, and more time outside. Roof racks, storage setups, and truck accessories help make every camping trip, trail ride, and weekend haul easier.

Long weekends and backcountry trips call for extra room. A solid roof rack keeps your gear secure and your truck ready f...
04/29/2026

Long weekends and backcountry trips call for extra room. A solid roof rack keeps your gear secure and your truck ready for wherever summer takes you.

Address

306 S 12th Street Unit B
Livingston, MT
59047

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+14062225440

Website

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