This neat spacer mounts beneath the oil filter and has three threaded bosses to accept temperature or pressure senders (1 x 1/8PT for oil pressure, 1 x 1/8PT for oil temperature and 1 x M12x1.25 for oil temperature) . Fits 99% of Japanese applications as spacer block has dual sealing rings for both sizes of filter and comes with cylinder block adaptors for both 3/3-16UNF and M20x1.5