14. We ended up using Comp Cams pushrods (part number 7609) that are 5⁄16 .080 thick. These Comp pushrods are 7.3 inches long and are made of C1020 high-carbon chromoly. Did you happen to notice that we added the titanium spring retainers to reduce valvetrain weight? The titanium spring retainers help reduce valve float at higher engine rpm's that will rob the engine of power.