Our 3-ply reinforced silicone heater hose emits great flexibility and abrasion resistance, capable of withstanding temperatures of up to 180°C. These thermostat bypass hoses are best suited for use on 351 Windsor engines while the slightly shorter BPH1 is better suited for 289 / 302 Windsor with the shorter deck height. Check out our 1/2 heater hose with a 5/8 flare PFESHH1316BK which are perfect to use on XR to XY V8

Our 3-ply reinforced silicone heater hose emits great flexibility and abrasion resistance, capable of withstanding temperatures of up to 180°C. These thermostat bypass hoses are best suited for use on 351 Windsor engines while the slightly shorter BPH1 is better suited for 289 / 302 Windsor with the shorter deck height. Check out our 1/2 heater hose with a 5/8 flare PFESHH1316BK which are perfect to use on XR to XY V8