555728 Valve Throttle Jr LO 206 .285"
555732 Valve Throttle Jr LO 206 .310"
555733 Valve Throttle RED .440"
555734 Valve Throttle BLUE .520"
555735 Valve Throttle PPL .342"
555740 Valve Throttle GREEN .490"
555741 Valve Throttle GOLD .570"
You can buy the official tech tools from Sox Racing (803) 791-7050