Brian Crower Subaru EJ257 STI Stroker Kit - 83mm Billet Crank/ProH2K Rods (5.141in) Custom Pistons

Brian Crower is well-known for making robust internal engine components, and this stroker kit for the Subaru EJ257 engine is a prime example of their work. If you're looking to increase the displacement of your 2004-2014 Subaru Impreza or 2015-2017 WRX STI, this kit is designed to help you achieve that goal. By increasing the stroke length, you can improve torque and overall engine performance, making it a popular choice for builds aiming for more power.

At the heart of this kit is an 83mm billet crankshaft, machined from a solid piece of steel for maximum strength and durability. This is paired with Brian Crower's ProH2K connecting rods, which are also well-built for high-stress applications. The kit includes custom-designed pistons, engineered to work seamlessly with the new crank and rod combination to achieve the desired displacement. This setup is intended for enthusiasts looking to push the performance envelope of their EJ257 engine, offering a solid foundation for significant power gains.

This stroker kit is a substantial upgrade for your EJ257 engine. It includes the billet crankshaft, ProH2K connecting rods, and custom pistons. Please note that this kit is not CARB approved and cannot be shipped to California. It's recommended to consult with a professional engine builder to ensure proper installation and tuning for your specific application.