Building a 2017 silverado prerunner is probably one of the most rewarding ways to spend your weekends and, let's be honest, way too much of your paycheck. There is just something about the K2XX platform—that 2014 to 2018 body style—erc-that looks absolutely right when it's widened out, sitting on big tires, and flying through a dry lake bed. It has that boxy, aggressive stance that modern trucks have kind of moved away from, and the aftermarket support is massive.
If you're lucky enough to have a 2017 sitting in your driveway, you've got a great starting point. Whether it's the 5.3L V8 or the beefier 6.2L, the bones are solid. But turning a street truck into a functional prerunner isn't just about a lift kit and some stickers. It's a rabbit hole of suspension geometry, fiberglass, and a lot of "while I'm in there" moments.
Why the 2017 Platform Works So Well
The 2017 silverado prerunner is a popular choice for a few reasons. First off, the frame is stout. Chevy did a good job making these trucks stiff enough to handle some abuse without turning into a pretzel the first time you catch a little air. Also, the wheel wells are relatively large, though you'll still end up cutting them if you want real performance.
Another huge plus is the engine. The EcoTec3 engines are reliable and respond really well to basic mods. If you have the 6.2L, you're already laughing because that thing has plenty of grunt to move 37-inch tires. If you have the 5.3L, it's still a workhorse, though you might find yourself looking at gear swaps sooner rather than later.
Suspension Is Where the Money Disappears
When we talk about a prerunner, we aren't talking about a "bro-lite" spacer lift. You need actual travel. Most guys start with a mid-travel setup. This usually involves high-quality 2.5-inch or 3.0-inch diameter coilovers from brands like King or Fox, paired with an aftermarket upper control arm (UCA).
A good mid-travel setup on a 2017 silverado prerunner will give you a much better ride on the street and allow you to soak up washboard roads and moderate bumps without spilling your coffee. It's the "sensible" route. But we all know how that goes. Eventually, you're going to want more.
Going the Long-Travel Route
If you're serious about sending it, you're looking at a long-travel kit. This is where you replace the upper and lower control arms with wider, stronger versions, usually adding 3 to 4 inches of width per side. This increases your wheel travel significantly—sometimes up to 14 or 16 inches in the front.
When you go long-travel, your 2017 silverado prerunner stops being a daily driver and starts being a lifestyle choice. You'll need extended axle shafts if you're keeping the 4WD, and you'll definitely need to cut into the truck. It's a commitment, but the first time you skip over a section of deep whoops at 60 mph, you'll realize it was worth every penny and every late night in the garage.
The Aesthetic and Functional Bodywork
You can't just throw wide arms on a truck and call it a day; your tires will delete your fenders the first time the suspension compresses. This is where fiberglass comes in. Companies like FiberwerX or McNeil Racing make specific kits for the 2017 silverado prerunner that give you that wide-body look while providing the clearance needed for big tires.
Bulging fenders and bedsides are the hallmark of a prerunner. They look mean, sure, but they're purely functional. Most guys go with a 3-inch or 4-inch flare. While you're at it, you'll probably want to ditch the heavy stock bumpers. A high-clearance plate or tube bumper not only improves your approach angle but also protects the front end from rocks and brush. Plus, it gives you a great place to mount a massive light bar for those night runs in the dirt.
Wheels, Tires, and the Rub Factor
Tires are the shoes of your build, and for a 2017 silverado prerunner, 35s are the baseline. If you've gone the long-travel route, 37s are the goal. Running 37-inch tires on a Silverado isn't as simple as it sounds, though. Even with fiberglass, you might find yourself trimming the "NorCal" style—cutting into the cab corners and the inner wheel wells—to make sure you don't rub when the wheels are turned and the suspension is tucked.
For wheels, you want something with a beadlock or at least a "bead-grip" technology. When you're out in the soft stuff, airing down to 12 or 15 PSI is a game changer for traction and comfort. Without a way to keep that tire bead seated, you're just one hard turn away from a very annoying afternoon with a jack in the sand.
Don't Forget the Rear End
It's easy to get obsessed with the front of the truck because that's what you see, but a 2017 silverado prerunner with a stock rear end is going to ride like a pogo stick. The factory leaf springs are designed to haul a trailer, not to soak up desert terrain.
The standard move is a set of Deaver or Giant 64-inch leaf springs. These are "spring-under" conversions usually, which gives you way more travel and a much more progressive feel. Pair those with a set of bypass shocks mounted to a bed cage, and suddenly the back of the truck actually follows the front instead of bouncing all over the place. Yes, you lose the ability to use your bed for hauling plywood, but you gain the ability to haul mail through the desert.
Performance and Gearing
Once you've added big tires, heavy shocks, a bed cage, and maybe a spare tire carrier, your Silverado is going to feel a bit sluggish. The stock 3.42 gears (which are common in many 2017s) just aren't meant to rotate 35-inch or 37-inch rubber.
Re-gearing to 4.56 or 4.88 is probably the best "secret" mod you can do. It brings the power band back to where it needs to be, saves your transmission from overheating, and actually makes the truck fun to drive again. If you have the 8-speed transmission, keeping it cool is also a priority, so an auxiliary transmission cooler is a smart move before you head out for a hot day in the dunes.
The Interior: Keeping It Contained
If you're actually going fast, the stock seats in a 2017 Silverado aren't going to cut it. You'll be sliding around, hitting your knees on the door panels, and trying to hold onto the steering wheel for dear life. A pair of fixed-back bucket seats and some 5-point harnesses will keep you planted.
And then there's the "C" word: cages. If you're pushing a 2017 silverado prerunner to its limits, a roll cage isn't just a suggestion; it's a necessity. Safety is often the last thing people spend money on, but it should really be the first. A simple cab cage can save your life if a jump goes wrong or you catch a rut the wrong way.
Final Thoughts on the Build
Building a 2017 silverado prerunner is a journey. It rarely happens all at once. Most of us start with a leveling kit and some nice tires, then we realize we want more. Before you know it, you're researching shock valving and looking at pictures of cut-off wheels.
The beauty of the 2017 model is that it's modern enough to be comfortable for a road trip to Baja but old enough that you don't feel too bad about getting it dirty or pinstriping the paint with some desert brush. It's a balance of performance, style, and utility that's hard to beat. Just remember to take it one step at a time, do your research, and most importantly, get out there and use the thing. There's no point in having a desert truck if it only ever sees the pavement at the local mall.