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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.
Achieving the correct rocker arm geometry is critical for high-performance engine reliability and power output. The T&D Machine 1.0 OD x 5/8 ID x .030 shim washer is engineered to provide the exact spacing required for professional-grade valvetrain setups. Designed for durability and consistent thickness, these steel shims ensure your rocker assembly remains stable under extreme racing conditions.
Whether you are performing a routine valve lash adjustment or a complete cylinder head rebuild, using high-quality shims prevents premature wear on rocker arms and valve tips. These precision-machined washers offer the reliability that engine builders demand, allowing for fine-tuning of the rocker arm sweep across the valve stem. By maintaining proper contact patches, you maximize the efficiency of your valvetrain components and reduce the risk of side-loading the valve guides.
At GGCRACING, we understand that every thousandth of an inch counts when building a winning engine. Our selection of T&D Machine components is curated to help you achieve the perfect fitment for your specific valvetrain configuration. Trust our expertise to keep your engine running at its peak performance level.
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.
Achieving the correct rocker arm geometry is critical for high-performance engine reliability and power output. The T&D Machine 1.0 OD x 5/8 ID x .030 shim washer is engineered to provide the exact spacing required for professional-grade valvetrain setups. Designed for durability and consistent thickness, these steel shims ensure your rocker assembly remains stable under extreme racing conditions.
Whether you are performing a routine valve lash adjustment or a complete cylinder head rebuild, using high-quality shims prevents premature wear on rocker arms and valve tips. These precision-machined washers offer the reliability that engine builders demand, allowing for fine-tuning of the rocker arm sweep across the valve stem. By maintaining proper contact patches, you maximize the efficiency of your valvetrain components and reduce the risk of side-loading the valve guides.
At GGCRACING, we understand that every thousandth of an inch counts when building a winning engine. Our selection of T&D Machine components is curated to help you achieve the perfect fitment for your specific valvetrain configuration. Trust our expertise to keep your engine running at its peak performance level.
Other popular T&D Machine products customers consider together:
