GM/GMC/Chevy 2007-2014 4.8L Truck / SUV Supercharger Intercooled Complete Kit W140AX 2.3L - WK-1110

Whipple W140AX Supercharger Kit GM 4.8L (2007‑2014)

Unleash +160 horsepower and pavement‑ripping torque with Whipple’s W140AX 2.3 L twin‑screw supercharger—the most efficient positive‑displacement system on the market. Designed for daily‑driven trucks and SUVs, this 100 % bolt‑on kit delivers neck‑snapping power on only 91‑octane fuel while maintaining OEM reliability and cruise fuel economy.

Key Benefits of Whipple W140AX Supercharger Kit GM 4.8L

• Massive power: 7‑8 psi of boost, 99 % volumetric efficiency.
• Ice‑cold intake temps: Oversized air‑to‑water intercooler slashes heat soak.
• Smart bypass valve: < 1 HP parasitic loss at highway cruise = better MPG.
• Plug‑and‑play tuning: SCT Flash Programmer recalibrates the factory ECU in minutes.

What’s in the Box 

• W140AX 2.3 L Whipple twin‑screw supercharger
• High‑flow aluminum intake manifold
• Large‑core air‑to‑water intercooler & reservoir
• 47 lb/hr calibrated fuel injectors
• SCT handheld tuner (pre‑loaded for stock or cat‑back‑only setups)
• Molded hoses, OEM‑grade wiring, brackets & hardware
• Illustrated installation guide

Engineered for stock engines yet happy on heavily‑modified builds, this kit is your shortcut to unbeatable, warranty‑friendly performance—bolt on, flash, and drive.