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 "What’s got 16-valves, eight-cylinders, belts out more than 400 kilowatts and rocks like a wind-up robot toy when idling? Walkinshaw Performance’s latest upgrade kit, the W407. " -

The newest addition to the W series range further enhances your LS3 powered vehicle, this package builds upon the successful W375 package. Adding more power, performance and excitement to the W series range.  

The Walkinshaw Performance W407 Package includes: 

  •  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

  •  Head gaskets*

  •  Head bolts*

  •  OEM Lifters*

  •  Lifter Guides*

  •  W407 Badging

  •  W Series Certificate of Authenticity

  •  Walkinshaw Performance Drive Line Warranty

Performance figures from the W407 package:

Power407kW @ 6250rpm

Torque695Nm @ 4950rpm

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