4AGE Crank SocketUpgrade your engine building toolkit with the HRB 4AGE Crank Timing Socket. Developed by performance engine builders, this tool is the result of years of hands on experience modifying crank sockets to better suit the demands of serious JDM engine work. Designed specifically for TOYOTA 4AGE applications, it delivers the strength and precision needed for both engine turning and timing adjustments. Choose the Crank Timing Socket when degreeing your