Don'T Be Fooled By Cheap Imitations. These Chromoly Push Rods Will Support Your Valve Train To 10,000 Rpm. Most Pushrod Failures Are Due To Inadequate Spring Pressure Or A Cam Grinder Making Roller Cam Grinds For Flat Tappet Use. Sold In Sets Of 8 With One End Not Installed So You Can Cut To Your Specific Length. The Overall Length Is 11.500. Made In The U.S. By Jaycee.