Unleash the maximum performance of your import engine with GSC Power Division components, proudly offered by Straight Six Imports. GSC specializes in the design and manufacture of world-class, high-quality valvetrain components engineered for extreme horsepower and high-RPM applications.

Browse our selection of GSC Power Division products, including:

• Performance Camshafts: From the street-focused S1 Cams (great for stock turbo or mild upgrades) to the full-race S2 and S3 Billet Camshafts, GSC delivers superior mid-range and top-end power without sacrificing low-end torque. We offer cams for Subaru EJ/FA series, Mitsubishi Evo 4G63/4B11T, Toyota 2JZ/3SGTE, and more!

• Performance Valvetrain Kits: Control high lift and high RPM with confidence. Shop GSC Beehive and Conical Valve Springs with Titanium Retainers, designed for maximum stability and reduced mass.

• Supporting Components: Find essential parts like Viton Valve Stem Seals, Manganese Bronze Valve Guides, and Zero-Tick Lifters to complete your head build.

Whether you're building a drag-strip monster or a street-driven track car, trust Straight Six Imports to supply the precision-engineered GSC parts you need for reliable, record-breaking power. Shop the best in Japanese sport compact engine internals today!