Seller notes

SPEEDGEAR Racing Valve Spring. 100% genuine items. Manufactured exclusively from super-clean, chrome-silicone wire milled in Japan. SPEEDGEAR Racing Valve Springs are product of the company’s years of racing and engine building experiences. SPEEDGEAR Racing Valve Springs are able to prevent valve float and maintain valvetrain stability at engine speeds in excess of 10,000 rpm. Racing valve springs are stiffer springs specifically designed for use with aftermarket camshafts. As valve train dyna...

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