USE THE PULL-DOWN MENU ABOVE TO SELECT THE RADIATOR HOSE DIAMETER SIZE, THEN ADD TO CART ^ GReddy Temperature Sensor Adapter Allows for easy mounting of GReddy 1/8BSP (JDM 1/8PT) Temperature Sensors in: 30mm, 32mm, 36mm, 38mm, or 40mm inner diameters for Upper Radiator Hose (or 1/8BSP pressure line fitting for GReddy Radiator Breather Tank - Lower Hose) *Commonly use with GReddy: Meters, Informeter Touch w/ Sensor Adapter, 60mm Warning Temp Meters, 60mm Electronic Temp Meters and 52mm Electronic Temp Meters and Radiator Breather Tank Diameter Application Examples P/N 26φ EP91, etc., 4E series, CP21V, etc., F6A series, L600S engine, etc. - call 16401626 28φ 5E and GA engines only - call 16401628 30φ 4AG, BP/B6, B16A engines, etc. 16401630 32φ 3S, H22A series engines, etc. 16401632 34φ SR (S14/S15), JZ, CA engines, etc. 16401634 36φ SR, RB, 4G63 series engines, etc. 16401636 38φ 13B series, EJ20 series engines, FA20, etc. 16401638 40φ Z31 engines, VG engines, etc. 16401640