The Sealey TDC Dial Gauge Indicator Kit is a precision measurement tool designed for accurately determining top dead centre (TDC) in engine timing applications. This comprehensive kit features a 41mm diameter dial indicator with a locking rotating bezel, providing an accurate and reliable method for setting engine timing across various applications. Primarily suited for motorcycle engine timing work, this dial gauge kit is equally capable for automotive applications and general workshop measurement tasks. The precision mechanism measures piston travel up to 10mm with an accuracy of 0.01mm, ensuring the precise positioning required for correct timing alignment. The locking bezel allows for easy reference point setting during the measurement process. The kit includes multiple spark plug socket adaptors in 10 x 1.0mm, 12 x 1.25mm, and 14 x 1.25mm thread sizes, providing compatibility with a wide range of engines. Extension pieces of 38mm and 51mm are supplied to accommodate different cyli