Our new engine is an iron 6.0L LS with TFS heads that recently came off the dyno making 556 hp. The standard Sniper system uses a 255-lph (liter per hour) pump that is rated to deliver up to 550 ...

01. A great budget valvetrain upgrade for any LS engine is to improve the trunnion strength on a stock LS rocker arm with Summit Racing’s upgrade kit that’s easy to install. See All 9 Photos ...

Most of these kits fit 1999 to current 4.8/5.3/6.0 truck engines as well as the LS1/LS6 engines. If ordering one, be sure to know what crank reluctor you’ve got, whether it’s 24X or the 58X ...