Sierra Nevada Diesel Performance is Reno's go-to shop for dealer-quality diesel repair, custom performance builds, and aftermarket installs done right. Ford Power Stroke, Ram Cummins, Chevy Duramax — we make trucks faster, stronger, and more reliable.
From routine maintenance to ground-up performance builds, our shop is equipped to handle every component on your diesel truck — under one roof.
Engine, fuel system, emissions and electrical diagnostics for Cummins, Power Stroke and Duramax.
Tuning, programmers, exhausts, intakes, lift pumps and full builds engineered for power and longevity.
Diagnostics, repairs and rebuilds — including stock-replacement and built-to-launch performance transmissions.
Turbo upgrades, replacements, rebuilds and supporting modifications to boost reliable horsepower.
Pads, rotors, calipers, lines, ABS — heavy-duty stopping power matched to your truck and load.
Track bars, ball joints, lift kits, leveling, alignments — and full Kryptonite steering kit installs.
Mount, balance, rotate and dial-in alignments for stock height up to 8"-lifted setups.
Full A/C service, recharges, and complete electrical diagnostics to keep you cool and running.
We don't cut corners on parts. Every install uses brand-name aftermarket components proven on rigs that work hard and play harder.
Massive-capacity replacement fuel tanks that double or triple your range — engineered to drop right in.
✓ Authorized installerHands-down some of the best built diesel transmissions on the market. Stock replacement to track-built — installed and dialed right.
✓ Premier dealerHeavy-duty steering components that out-live the OEM and survive lift kits, big tires, and abuse. Installed by techs who know GM front ends.
✓ Full kits availableAir-and-fuel separation, ultra-fine filtration and consistent fuel pressure — protect your injectors and CP3/CP4 pumps.
✓ Authorized installerStock replacement to drop-in performance turbos and twin-turbo kits for serious horsepower without the lag.
✓ Authorized installerThe gold standard in injectors and CP3 pumps. We spec, install and tune for daily-driver smoothness or all-out competition power.
✓ Authorized installerEvery diesel platform has its own quirks, common failures and performance ceilings. We've spent years on each — and it shows.
6.0L · 6.4L · 6.7L Super Duty. Bulletproof EGR coolers, head studs, cab-off injector jobs, custom tunes.
Service my Ford →5.9 12V/24V · 6.7L Cummins. Killer Dowel Pin fix, lift pumps, performance trans builds, big-power Cummins.
Service my Ram →LB7 · LLY · LBZ · LMM · LML · L5P. Injector jobs, Kryptonite steering, CP4 conversions, full builds.
Service my GMC →Dealer-level diagnostics without dealer prices or dealer attitude. We explain the work, stand behind it, and treat your truck like it pays our bills — because it does.
"Best diesel shop in Reno, hands down. Diagnosed an issue two other shops missed and had my 6.7 back on the road in two days."
— Google Review"They installed an S&B tank and FASS system on my Ram. Clean work, fair price, and they walked me through everything."
— Google Review"Honest shop. Told me what needed fixing now and what could wait. That's why I keep bringing both my trucks here."
— Google ReviewTell us about your truck and what you need done. We'll get back to you fast with a real estimate.