• 4340 billet crankshaft, 79mm stroke
• Built specifically for the EJ205 WRX platform
• Billet construction for maximum strength and consistency
• Foundation for a serious stroker or high-horsepower build

Billet Strength Where a Cast Crank Reaches Its Limit

A crankshaft is the literal foundation of the entire rotating assembly, and Brian Crower's 4340 billet crankshaft is built specifically for the EJ205 WRX platform at a 79mm stroke, rather than a generic stroke length adapted to fit. Billet construction, machined from a solid steel blank rather than cast, offers significantly greater strength and metallurgical consistency than a factory cast crank, which becomes essential once you're building toward serious horsepower or a stroker configuration. For an engine build where failure isn't an option, starting with a genuinely stronger crankshaft matters more than almost any other single component. For a component this critical, that level of engineering is worth having.

The Foundation for a Serious Build, Not a Mild Upgrade

This is a component for owners planning a genuinely serious engine build, whether that's high boost, high RPM, or both, rather than a mild street upgrade. Every other rotating assembly component, from rods to bearings to pistons, ultimately depends on the crankshaft's strength and precision to do its job correctly. It's the right starting point for a build where the rest of the engine needs a foundation that can actually handle the power being asked of it. It's a straightforward improvement that's easy to appreciate once it's installed.

Straight From Subispeed

A genuinely serious billet crankshaft foundation for 2002-2005 WRX — built for a real high-horsepower or stroker build, not a mild street upgrade.

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