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The Ford Racing Boss 302R valve spring kit supplies all valve springs required for the application and supports camshafts up to 13 mm lift. The springs feature higher seat pressure than base springs, a 40 mm installed height and are rated for use to 8,000 RPM. Sold in sets of 16, this kit provides the matched springs needed when upgrading valvetrain components for higher-lift cam profiles on Boss 302R engines.
Ford Racing BOSS 302R Valve Spring Kit
