Matrixed 0 Report post Posted March 17, 2017 Im selling a mp112 kit off my 2003 silverado I have someone interested in it but they own a 2009 5.3 silverado will this kit fit as it did on my 03? Any help is appreciated thanks! Share this post Link to post Share on other sites
1BAD2K 60 Report post Posted March 17, 2017 They probably have a 4 bolt throttle body. Also, I don't thing the ports will match up. Theirs will probably have rectangular port heads. Share this post Link to post Share on other sites
2003_SuperSport 17 Report post Posted March 28, 2017 Different fuel system too. 2003 was a return style fuel system. Share this post Link to post Share on other sites
