GReddy Timing Belt for Toyota 1JZ-G(T)E Engines SpecificationsGReddy timing belts are far stronger than OEM belts and are designed for highly tuned engines that can reach high RPMs with quick rotation speed variations. Made from the same fibres used in bulletproof vests GReddy belts don't fray over time and guarantee excellent resistance to high temperatures and strain.When it comes to Japanese vehicles GReddy are one of the most recommended brands and make all their products at their factory in Tokyo.