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!

How Can We Help?

  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 90621

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

    6600 AUTO CENTER DRIVE
    BUENA PARK, CA 90621

    • Sales: 714-696-6500
  4. Buick GMC of Buena Park

    6600 Auto Center Drive
    Buena Park, CA 90621

    • Sales: (714) 252-4514
  5. Cadillac of Buena Park

    6600 Auto Center Drive
    Buena Park, CA 90621

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

    10150 TRASK AVE
    GARDEN GROVE, CA 92843

    • Sales: 714-656-2802
  7. Chevrolet of Garden Grove

    10150 Trask Ave
    Garden Grove, CA 92843

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

    21 AUTO CENTER DRIVE
    IRVINE, CA 92618

    • Sales: 949-525-9954
  9. Chevrolet of Irvine

    21 Auto Center Dr
    Irvine, CA 92618

    • Sales: (949) 328-6026
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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