We made a backing plate that perfectly mounts up into the Silvertop and Blacktop 4AG and lets the... Measured from Heart to center amongst the fasting details utilized to mount the velocity stacks Silvertop throttles Possess a 73mm distance and 83mm to the Blacktop. Here is the one easiest way https://josuephyof.diowebhost.com/94841040/toyota-4age-things-to-know-before-you-buy