Services Offered
From mild to wild, stock upgrade to tube chassis race trucks, we've got you covered! We offer a full range of diesel repair and performance upgrade services for light duty diesel trucks.
Turbos and Manifolds
Diesel Services for Cummins, Duramax & Power Stroke Trucks
Tombstone Diesel provides expert repair, upgrades, and setup for light-duty diesel trucks across Colorado and the surrounding region. From in-house engine builds to precision alignments, we deliver reliability, power, and drivability you can count on.
Engine & Transmission Repair
In-house engine rebuilding and transmission repair for street, tow, and race builds. Partners include Industrial Injection, Freedom Racing Engines, WP Performance, RevMax, and BD Diesel.
- Engines: short/long blocks, heads, studs, injectors, turbo & tuning setup
- Transmissions: 47RE/48RE, 68RFE, AS69RC, Allison 1000/2000, 4R100/5R110W/6R140/10R140
- Platforms: Cummins, Duramax, Power Stroke
Suspension Upgrades
Ride quality, control, and stability for work, tow, and off-road. Premium systems from Carli Suspension and Thuren Fabrication.
- Lift/level kits, shocks/coilovers, control arms, track bars
- Steering upgrades & geometry setup for stock and lifted trucks
- Platforms: Cummins, Duramax, Power Stroke
Axle & Gear Upgrades
Strength, traction, and correct gearing for tire size and use case—tow, highway, or off-road.
- Re-gear (ring & pinion), LSD/lockers, differential rebuilds
- Chromoly axle shafts, bearings & seals
- Platforms: Cummins, Duramax, Power Stroke
Turbo & Manifold Upgrades
Stock replacements to high-flow and compounds from Calibrated Power, BD Diesel, ATS Diesel Performance, Industrial Injection, Stainless Diesel, and more.
- Single turbos, compound/twin kits, high-flow manifolds & up-pipes
- Sizing recommendations for tow, street, or race + fueling & tuning planning
- Platforms: Cummins, Duramax, Power Stroke
Tire Mount, Balance & Alignment
Precision tire services using a Rotary lift and John Bean alignment rack for stock, leveled, and lifted trucks.
- Mount/balance, rotations, steering & suspension inspection
- Alignments for oversized/off-road setups and daily drivers
- Platforms: Cummins, Duramax, Power Stroke
Service Areas
Based in Castle Rock, Colorado, proudly serving: Denver, Colorado Springs, Broomfield, Fort Collins, Greeley, Sterling—and regional customers from Wyoming, New Mexico, Nebraska, and Kansas.
Request a Quote Schedule Diagnostics
Related Diesel Services
- Axle & Gear Upgrades
- Tire Mount, Balance & Alignment
- Engine & Transmission Repair
- Turbo & Manifold Upgrades
- Contact Tombstone Diesel
-
Innovative Solutions
-
Custom Fabrication
-
Built by Hand In House
