Chrome-plated Dipstick Kit fits Moroso and other oil pans with a built-in 1/4" NPT fitting. 1/4" NPT brass adapter with compression fitting can be adjusted upward or downward on the tube to suit pan's depth and volume. A rubber capping seal keeps the dipstick secure in tube and prevents crankcase gases from escaping. Dimensions: overall length including exposed portion of dipstick - 24".