2019 GMC Yukon Denali – Fully Built, Supercharged, One-Owner
This is a no-expense-spared 2019 GMC Yukon Denali, custom built for a private customer using a brand-new truck in 2019. The build was professionally executed with a crate engine ordered from LME, and the vehicle has been Texas-driven for just over 54,000 miles. This is not a bolt-on build—it’s a meticulously engineered performance SUV that blends luxury, reliability, and serious power.
Highlights
- One-owner, custom-built from new
- LME-built 377” long-block
- Whipple supercharged
- 54,000 miles on the build
- Texas-driven
- Blackout trim package
- Brembo brake upgrade
- Custom B Forged wheels
- Belltech lowering kit
- Kooks headers with Magnaflow stainless exhaust
Engine & Performance
At the heart of this Yukon is a 377” LME-built long-block, precision balanced, blueprinted, and assembled for high-horsepower forced-induction reliability. All tolerances and clearances were optimized specifically for this application.
Short Block & Rotating Assembly
- GM LT1/LT4 6.2L aluminum block (fully deburred, CNC bored & diamond honed w/ torque plates)
- ARP LT1/LT4 main stud kit
- Callies Compstar 4340 H-beam rods w/ ARP 2000 bolts
- GM LT1 wet sump crankshaft (LME blueprinted)
- Diamond forged pistons w/ tool-steel wrist pins & anti-friction skirt coating
- Stainless chrome top rings, Napier second rings, 3mm low-friction oil rings
- Balanced to 1/4 oz-in tolerance
Valvetrain & Cylinder Heads
- GM LT1 C7 CNC-ported cylinder heads
- Competition valve job with extensive flow testing
- GM hollow-stem intake valves & REV stainless exhaust valves
- LME dual valve springs (rated to .650” lift)
- Titanium retainers, machined locators & locks
- Manley chromoly pushrods
- GM LS7 hydraulic roller lifters (AFM deleted)
- Custom Cam Motion billet-core hydraulic roller camshaft
Induction & Fuel
- Whipple supercharger (2014–2019 GM Gen V application)
- LT4 high-output fuel pump
- High-flow direct injection injectors (122% more flow than stock L83)
- CNC-ported intake system optimized for forced induction
Supporting Hardware
- Cloyes C5R single-roller timing chain
- ATI SFI harmonic balancer
- GM LT1 truck wet-sump oil pump
- LME billet valve covers & billet VVT delete front cover
- ARP 2000 head stud kit
- GM LT4 MLS head gaskets
Exhaust
- Kooks long-tube headers
- Magnaflow full stainless exhaust system
Delivers an aggressive tone without sacrificing refinement.
Chassis, Wheels & Brakes
- Custom B Forged wheels
- Belltech lowering kit for a planted, aggressive stance
- Brembo brake upgrade for confident stopping power
Exterior
- Full blackout trim treatment, giving the Denali a clean, modern, and menacing appearance while retaining its luxury presence.
Summary
This Yukon Denali is the definition of a high-performance luxury SUV—built correctly, driven responsibly, and maintained with care. It offers the comfort and utility of a Denali with the power, sound, and presence of a true custom build. Vehicles of this caliber and quality are rarely available.