1964-81 GM (All Models) Large Dia, Jack Post Sleeve with 2 ribs. This is 16 5/8"x 2 3/4" ,Used on the smaller or standard size post, to hold the jack lug wrench tool against the post. GM 9781956 or 1387321. with correct ribs Best Installed with putting baby powder on the inside. There were 2 different size posts used on the GM cars - a small one and a more heavy duty larger dia one. This sleeve is for the larger post.
