Walkinshaw Performance W407 Package

Power: 407kw @ 6250rpm and 695Nm @ 4950rpm
Model Compatibility: VF & HSV Gen-F/Gen-2, 6.2L LS3
Kit Includes: Walkinshaw ceramic coated headers, Walkinshaw dual active cat back exhaust, Walkinshaw performance cold air intake, ECU calibration, WP Camshaft & Valve spring upgrade (WP Spec camshaft, cam sprocket, cam shaft bolt set, crankshaft bolt, beehive valve springs), head gaskets, head bolts, OEM lifters, lifter guides, certificate of authenticity, W407 badging.

From $13,100.00

Power
Package Includes
Key Features
Notes
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W407

STANDARD

DYNO TUNED

DIFFERENCE

POWER

304

407

103

TORQUE

570

695

125

Walkinshaw W407 Upgrade

What's Included?

Walkinshaw Performance OTR

Walkinshaw Performance Ceramic Coated Headers & High Flow Cats

Walkinshaw Performance Dual Active Cat-back Exhaust

Walkinshaw Performance Camshaft & Valve Springs

GM Crankshaft Bolt

GM Head Gaskets

OEM Lifters & Guides

GM Head Bolts

Badging & Certificate of Authenticity

ECU Calibration

Walkinshaw Performance | W407

Step Up with the W407 Package

Enhancing the already impressive W375 package, the W407 takes performance to a new level with our top naturally aspirated offering. Featuring a Walkinshaw Performance spec camshaft and components, it provides increased top-end power and torque while ensuring smooth road handling for everyday driving.

Advanced Performance Enhancements

The W407 includes a full stainless steel, stepped exhaust system with ceramic-coated 4-into-1 long tube headers and high-flow catalytic converters. Additionally, an over-the-radiator cold air intake boosts airflow into the engine, improving power and fuel efficiency. The package maintains the original equipment look with all necessary infill panels and shrouds.

Precision ECU Recalibration

Developed on a dyno, our ECU recalibration maximizes the performance of the integrated components, delivering an exhilarating driving experience. The package is completed with rear deck lid badging, engine bay identification, and a certificate of authenticity for added assurance.