100% <br />this is the oil feed flange 1/2 npt<br />billet aluminum oil feed flange for t3， t3/t4， or t04 aka t4 or to4 (also gt40r and gt42， gt42r， gt42rs)<br />designed to be bolted to turbo t3 / t4 turbo<br />length bolt hole center to center: ~ 2.0&amp;quot; in<br />length of total flange: ~ 2.7&amp;quot; in<br />flange thickness: ~8.4mm<br />6061 billet aluminum<br />note: no installation guide. professional installation is highly recommended<br />compatibility: universal for most vehicles，such as audi，aston martin，bentley，benz，，buick，cadillac，chevrolet，chrysler，citroen，corvette，dodge，ferrari，fiat，ford，honda，hyundai，jaguar，lamborghini，lexus，lincoln，lotus，mazda，maserati，mustang，opel，plymouth，renault，peugeot，pontiac，rolls-royce，porsche，rover，saab，skoda，suzuki，ssangyong，toyota，viper，volkswagen，volvo etc.<br />warm reminder: please ensure suitability carefully before purchase，thank you!<br /><br />package includes:<br />1 set of oil feed feeding line gasket