Big truck

Data table



CAR  NAMESIZEETPCDCB
Chevy Silverado 150022*14-766*139.778.1
24*14-766*139.778.1
30*16-1016*139.778.1
Chevy Silverado 250030x16-1018*165.1117
20x10-248x180124.1
2016 Chevy 350026x14-768x180124.1


Chevy Silverado 1500 / 2500 Pickup Tuning Guide

Basic Wheel Factory Specs

Silverado 1500 (Half-Ton)

  • PCD: 6×139.7mm

  • Center Bore: 78.1mm

  • Lug Stud: M14×1.5

  • Factory Offset: ET20 ~ ET30

Silverado 2500 HD (Heavy Duty)

  • PCD: 8×180mm

  • Center Bore: 124.1mm

  • Lug Stud: M14×1.5

  • Factory Offset: ET35 ~ ET45


1. Engine Performance Tuning

Silverado 1500

Engines: 2.7L Turbo / 5.3L V8 / 6.2L V8 / 3.0L Duramax
  • ECU Tune: Improve throttle response, increase HP & torque, optimize shifting

  • Cold air intake + 3" cat-back exhaust for deeper sound and power gain

  • 6.2L V8 can upgrade supercharger for 600+ HP

  • 3.0L Duramax: Tune + exhaust for better towing torque

Silverado 2500 HD

Engine: 6.6L Duramax Diesel / 6.6L Gas V8
  • Diesel Stage 1–3 ECU tune: Big HP & torque gain for towing & off-road

  • 4"–5" turbo-back exhaust, upgraded intercooler

  • High-power build: Injectors + fuel pump upgrade for heavy performance


2. Suspension & Lift Tuning

Silverado 1500

  • 2″ Leveling Kit: Level stance, fits 33" tires, daily street use

  • 2.5–4" Suspension Lift: Fits 35" tires, off-road ready

  • 6"+ Extreme Lift: For 24×12 big wheel show builds

Silverado 2500 HD

  • 2.5–3.5" Leveling Kit: Fits 35" tires, towing friendly

  • 4–6" Full Lift: Fits 37" tires, heavy-duty shocks

  • 8–10" Extreme Lift: For 22×12 / 24×14 / 26×14 show truck setups

  • Upgrades: Adjustable upper control arms, dual steering stabilizer, heavy-duty leaf springs


3. Wheels & Rims Tuning Fitment

Silverado 1500

  • 18×9 / 20×10:ET0 ~ +20 | Stock / 2″ Level → 33" tires

  • 22×10 / 22×12:ET-12 ~ ET-24 | 3.5–4" Lift → 35" tires

  • 24×12:ET-44 | 4–6" Lift → 35/37" tires

Silverado 2500 HD

  • 20×10:ET-18 ~ ET-24 | 4" Lift → 35/37"

  • 22×12:ET-44 ~ ET-51 | 6" Lift → 37"

  • 24×14:ET-70 ~ ET-76 | 6–8" Lift → 37/40"

  • 26×14/26×16:ET-76 ~ ET-95 | 8–10" Lift + Widebody

24×14 and larger must use forged rims for HD safety & load rating.

4. Exterior Styling

  • Custom Chevrolet / Silverado mesh grille

  • Functional heat extraction hood

  • Wide fender flares for lifted big wheels

  • Steel front & rear bumpers + side steps

  • 40" LED light bar, smoked headlights

  • Blackout trim package & custom badging


5. Classic Build Styles

  • Daily Luxury:2″ Level + 20/22" rims + AT tires + intake/exhaust tune

  • Off-Road Aggressive:4–6" lift + negative offset rims + MT tires

  • Heavy Duty Tow:2500 level kit + diesel tune + 20×10 wheels

  • Show Truck:6–10" extreme lift + 24×14 / 26×14 deep dish forged rims


6. Installation Rules

  • Hub ring: 1500 = 78.1mm|2500 HD = 124.1mm

  • Lug nut: M14×1.5 extended conical seat

  • Torque: 1500 → 140–150 N·m|2500 → 170–180 N·m

  • Big negative offset needs lift + flares to avoid rubbing

  • Lifted trucks require professional 4-wheel alignment



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