ITEM NAME:Pushrod Length Checker 6.80 inch to 7.40 inch for GM V6 Engines 3800 3400 C K5J8 Pushrod Length Checker 6.80 inch to 7.40 inch for GM V6 Engines 3800 3400 C K5J8 Save yourself a lot of guess work to properly figure out what pushrod size you need for your engine build. Pushrod Length Checkers are crafted from a with black oxide coating for years of accurate measurements. Having the correct pushrods in your engine is a critical factor in proper rocker arm geometry, and this is the best tool to measure pushrod length (it reads like a Minimeter). Individual Length Checker Adjustable Range: 6.800 inch to 7.400 inch This was made shorter for the V6 engines. Material:metal Colour:black Package Contents: 1 * Pushrod Length Checker