Whipple Superchargers WK-1201-30 2014+ GM Truck/SUV Direct Injected 6.2L W185RF (3.0L) SC Kit

Whipple W175AX 2.9L Twin-Screw Supercharger System

Experience unmatched performance with the Whipple W175AX 2.9L Twin-Screw Supercharger—the most powerful 50-state emissions legal system on the market. Delivering nearly 50 rwhp more than competing kits, this out-of-the-box beast requires no additional upgrades to transform your vehicle into a street-legal powerhouse.

Key Features & Performance Advantages:

• 50-State Legal – Ultimate street performance while staying emissions compliant
• Delivers up to 50rwhp more than comparable systems
• Front-entry 2.9L W175AX Twin-Screw Supercharger with massive airflow capability
• 52% more displacement than Eaton™ 1900; 26% more than Eaton™ 2300
• Helical cut gears for quiet operation and durability—no belt-driven issues
• Integrated Crusher™ 112mm round inlet outflows 90mm and 93mm roots-style systems
• Optional compatibility with 102mm throttle bodies
• Big Mouth Crusher™ inlet tube increases velocity and drops inlet temps
• Oversized bar-and-plate intercooler for superior air charge cooling
• Massive 2.5+ gallon intercooler reservoir for sustained performance
• Exclusive Whipple 3×5 rotor design for higher airflow across the RPM range
• Zero-turn front feed design reduces induction losses
• Center discharge port for consistent cylinder-to-cylinder distribution
• Discharge-down layout = lower pressure loss and cooler intake temps
• Top-mount location avoids heat soak issues common with under-runner SC designs
• More boost at throttle “hit” with a flat torque curve for explosive acceleration
• Fits under factory hood—no cutting or modifications required

Installation & Upgrade Options:

• Plug-and-play wiring harness with OEM-style quick-connect fittings
• No internal engine modifications required
• Includes all parts and hardware for a complete install
• Oil sight glass for easy level and condition check
• Proven 6-rib belt system with adjustable idler pulley
• Includes high-flow 50-state legal air filter system
• 3-minute pulley changes for easy tuning
• SCT Flash Tool included for diagnostics, tuning, and data logging
• Stainless steel jack-shaft with optional carbon fiber safety cover

Configurations & Warranty:

• Available in wrinkle black, polished, or custom colors
• Upgradeable with larger cold air intakes and throttle bodies (102mm, 109mm)
• Complete kits, tuner kits, and hot rod kits available
• 1-Year Limited Warranty standard
• Optional 3-Year / 36,000-Mile Powertrain Warranty available

The Whipple W175AX 2.9L system delivers instant throttle response, factory-like fitment, and emissions-legal status in all 50 states—making it the perfect combination of horsepower, reliability, and street legality.