W407 The newest addition to the W Series Range further enhances your LS3 powered vehicle.

Building on the hugely successful W375 package, the W407 adds more performance and excitement to the W Series range by offering our best naturally aspirated package to date. Utilising a Walkinshaw Performance spec camshaft and associated componentry provides more top end power and torque whilst maintaining road handling manners for your daily drive.

In addition to the Walkinshaw Performance camshaft, the package makes use of a full stainless steel, stepped exhaust system, ceramic coated 4 into 1 long tube headers and high flow catalytic converters and an over the radiator cold air intake to gather greater volumes of airflow into the engine. This results in greater efficiencies in power and economy and is finished with all infill panels and shrouds keeping the with original equipment look of the vehicle.

An ECU recalibration developed on a dyno optimises the specific combination of carefully chosen componentry, resulting in a thrilling driving experience that stands out from the crowd. The package is supplied with rear deck lid badging, engine bay identification, certificate of Authenticity and Walkinshaw Performance’s unique driveline warranty for complete peace of mind.

  • Walkinshaw Performance Ceramic Coated Headers
  • Walkinshaw Performance Dual Active Cat Back Exhaust
  • Walkinshaw Performance Cold Air Intake
  • Walkinshaw Performance ECU Calibration
  • WP Camshaft and Valve Spring Upgrade
  • WP Spec Camshaft
  • Cam Sprocket
  • Camshaft Bolt Set
  • Crankshaft Bolt
  • Valve Springs Beehive Style
  • W407 Badging
  • W Series Certificate of Authenticity
  • Walkinshaw Performance Drive Line Warranty – For applicable vehicles
    • Head gaskets*
    • Head bolts*
    • OEM Lifters*
  • Lifter Guides*
  • Fitted to vehicles exceeding 20,000km require new lifters


* Fitted to vehicles exceeding 20,000km
  • 0457 001 304

    5 Kirkpatrick Drive, Delacombe Victoria 3356, Australia
    Authorised Walkinshaw Performance Centre