Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Extreme Duty Valves

Founded in 1966 by Hank Manley, Manley Performance Products has become one of the most respected names in high-performance engine components. Originally launched as Manley Speed Equipment, the company quickly earned a reputation for precision manufacturing, durability, and race-proven performance. From grassroots beginnings in New Jersey to global recognition in professional motorsports, Manley Performance continues to set the standard in high-performance automotive parts. Manley Performance Engine Parts Manley is known for manufacturing premium internal engine components designed for street, strip, and professional racing applications. Their product line includes: Manley stainless steel valves Manley forged pistons Manley connecting rods (H-Beam, I-Beam, Turbo Tuff, Pro Series) Manley camshafts Manley crankshafts Manley valvetrain components Valve springs, retainers, and hardware Every Manley component is engineered with strict quality control and race-driven innov...

Welcome to our Valves collection, where quality meets functionality. Our carefully curated selection includes a variety of valves suited for different applications and industries. Whether you are in construction, manufacturing, or plumbing, we have the perfect valve solutions for you. Why Choose Our Valves? High Quality: Each valve in our collection is manufactured to meet strict quality standards, ensuring durability and reliability. Wide Range: We offer a diverse range of valves. Competitive Pricing: Get the best value for your money with our competitively priced valves without compromising on quality. Expert Support: Our knowledgeable team is here to help you find the right valve for your specific needs.   Applications of Our Valves Our valves are versatile and can be used in a variety of engines for various makes and modles.  Shop Now! Explore our Valves collection today and find the perfect solution for your project. With our user-friendly Shopify store, shopping for valv...

Browse all of our valves and valvetrain components at Black Ops Auto Works, including engine valves, valve covers, valve cover gaskets, valve guides, valve springs, retainers, valve locks, valve seals, lash caps, and related valvetrain hardware for performance builds, engine refreshes, and high-horsepower applications. Whether you are rebuilding a cylinder head, upgrading your valvetrain for higher RPM, or replacing worn valve train components, this collection is built for customers searching for engine valves, valve springs and retainers, valve cover gaskets, performance valve covers, and valvetrain upgrades. Shop Top Valvetrain Brands Find trusted brands in the valve and valvetrain category, including: GSC Power Division Supertech Brian Crower Ferrea Manley Performance Cometic Granatelli Moroso BLOX Racing   These brands are known for performance intake valves, exhaust valves, valve spring kits, titanium retainers, valve guides, valve locks, valve seals, billet valve covers, an...