Hennessey Power Upgrade

at Simpson GM

Hone Your Performance with a Hennessey Power Upgrade

EXTERIOR UPGRADES

GOLIATH OFF-ROAD STAGE 1:

  • GOLIATH Front Bumper
  • 5 LED Lights in Front Bumper
  • 20 inch Hennessey 10-Spoke Wheels
  • 35 inch Toyo O-Road Tires
  • 6" Lift Kit (*depends on trim level)
  • Hennessey & GOLIATH Exterior Graphics
  • Professional Installation
  • 3 year / 36,000 Mile Limited Warranty

GOLIATH 650

Power:

  • 650 bhp @ 6,300 rpm

Includes:

  • 2.9 Liter Supercharger System
  • High-Flow Intercooling System
  • High-Flow Air Induction System
  • Chromoly Hardened Pushrods
  • Crankcase Ventilation System
  • HPE Engine Management Calibration
  • All Necessary Gaskets, Fluids & Hardware
  • Professional Installation
  • Chassis Dyno Testing
  • Road Testing - Up To 200 Miles
  • Hennessey Exterior Rear Badge
  • Hennessey Embroidered Headrests
  • GOLIATH 650 Exterior Badging
  • Serial-Numbered Dash Plaque
  • Serial-Numbered Engine Plaque
  • Shell V-Power 93 Octane Gasoline
  • Shell Rotella RGT Synthetic Oil
  • 3 Year / 36,000 Mile Limited Warranty

GOLIATH 700

Power:

  • 700 bhp @ 6,300 rpm

Includes:

  • 2.9 Liter Supercharger System
  • High-Flow Intercooling System
  • High-Flow Air Induction System
  • CNC Ported Cylinder Heads
  • Custom HPE Camshaft
  • Chromoly Hardened Pushrods
  • Crankcase Ventilation System
  • HPE Engine Management Calibration
  • All Necessary Gaskets, Fluids & Hardware
  • Professional Installation
  • Chassis Dyno Testing
  • Road Testing - Up To 200 Miles
  • Serial-Numbered Dash Plaque
  • Serial-Numbered Engine Plaque
  • Shell V-Power 93 Octane Gasoline
  • Shell Rotella RGT Synthetic Oil
  • Hennessey Embroidered Headrests
  • Hennessey Exterior Badging
  • GOLIATH 700 Exterior Badging
  • Supercharged Badging
  • 3 Year / 36,000 Mile Limited Warranty

Schedule a Test Drive

Please call or contact us online at the Simpson Automotive Group to learn more about the Hennessey package upgrade. We look forward to hearing from you!

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  1. Simpson Automotive Group

    Buena Park, Irvine, Garden Grove, CA

    • Sales: (949) 457-2018
  2. SIMPSON BUICK GMC OF BUENA PARK

    6600 Auto Center Drive
    Buena Park, CA 90620

    • Sales: (714) 252-4514
  3. SIMPSON CADILLAC OF BUENA PARK

    6600 Auto Center Drive
    Buena Park, CA 90620

    • Sales: (714) 696-6500
  4. Simpson Chevrolet Of Garden Grove

    10150 Trask Ave
    Garden Grove, CA 92843

    • Sales: (714) 656-2802
  5. SIMPSON CHEVROLET OF IRVINE

    21 AUTO CENTER DRIVE
    IRVINE, CA 92618

    • Sales: (949) 525-9954
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Get in Touch

  • Contact our Sales Department at: (949) 457-2018
  • Monday9:00AM - 9:00PM
  • Tuesday9:00AM - 9:00PM
  • Wednesday9:00AM - 9:00PM
  • Thursday9:00AM - 9:00PM
  • Friday9:00AM - 9:00PM
  • Saturday9:00AM - 9:00PM
  • Sunday10:00AM - 9:00PM