It is achievable to transform a 16V / 20V Silvertop crank pulley to become partially compatible by using a Blacktop by machining 1.7mm on the rear Centre experience, on the other hand the outer row will not be compatible resulting from the difference in distance in between the two rows. https://4age-20v-blacktop-for-sal23333.losblogos.com/30507747/little-known-facts-about-jdm-toyota-4a-ge