Valve Locks $69.99 6 Reviews Default Title Out of stock Please enter your email below if you'd like to be notified when it's available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. OEM replacement valve locks for your 2.0, 2.2, or 2.4 liter engine. GM part # 90354648. Also known as valve stem keys or valve keepers.