AG-0000033 Tach Board For availability see 'Find it locally' tab $7.00Product InformationDescription(standard) (for Proto-Sound 2.0 and Loco-Sound ) (no spacer between board and optical sensor) Product Item Number: AG-0000033 Overview Features Find It LocallyThis product may not have shipped yet or is completely sold out. Click on the show button to see who might have it on order. Support