Original equipment on the Ford GT 5.4L engine, these arms are an upgrade for 4.6L / 5.4L 2 valve and 3 valve motors. They weigh 4 grams less than 4.6L DOHC arms while also being stiffer and having better engagement on the lash adjuster.
CA Residents: Cancer and Reproductive Harm WARNING www.p65warnings.ca.gov.
