WHAT DOES 4AGE 20V BLACKTOP FOR SALE MEAN?

Your browser isn’t supported anymore. Update it to have the best YouTube practical experience and our hottest capabilities. Learn moreThe 5 valve head is Toyota's reward towards the 4AG following the 4AGZE went away. With the extra valve and unbiased throttle bodies- the 4AG 20 valve is a unique head layout. This head regrettably has lots of prop