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T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.
Proper rocker arm alignment is the foundation of a high-performance engine. The T&D Machine 1.0 OD x 5/8 ID x .040 shim washer is designed to provide the necessary clearance and spacing for precise rocker arm geometry. Crafted from premium steel, this shim offers the rigidity and consistency required to withstand the high-stress environment of a racing engine.
Using the correct shim thickness is essential for ensuring the rocker arm tip maintains a centered contact patch on the valve stem. This reduces friction, lowers operating temperatures, and extends the life of your valvetrain components. Whether you are building a street-strip machine or a dedicated track car, these T&D Machine shims provide the adjustability needed to dial in your valvetrain geometry perfectly.
Engine builders rely on T&D Machine for their commitment to quality and precision. By incorporating these shims into your build, you ensure that your rocker assembly is properly spaced, preventing binding and ensuring smooth operation throughout the entire RPM range. At GGCRACING, we provide the essential hardware you need to build with confidence and precision every time.
Other popular T&D Machine products customers consider together:
T&D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T&D Machine lineup with fast shipping and expert fitment support — order with confidence.
Proper rocker arm alignment is the foundation of a high-performance engine. The T&D Machine 1.0 OD x 5/8 ID x .040 shim washer is designed to provide the necessary clearance and spacing for precise rocker arm geometry. Crafted from premium steel, this shim offers the rigidity and consistency required to withstand the high-stress environment of a racing engine.
Using the correct shim thickness is essential for ensuring the rocker arm tip maintains a centered contact patch on the valve stem. This reduces friction, lowers operating temperatures, and extends the life of your valvetrain components. Whether you are building a street-strip machine or a dedicated track car, these T&D Machine shims provide the adjustability needed to dial in your valvetrain geometry perfectly.
Engine builders rely on T&D Machine for their commitment to quality and precision. By incorporating these shims into your build, you ensure that your rocker assembly is properly spaced, preventing binding and ensuring smooth operation throughout the entire RPM range. At GGCRACING, we provide the essential hardware you need to build with confidence and precision every time.
Other popular T&D Machine products customers consider together:
