The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - heater hose fitting on intake

BLT gmc · 11-11-2014, 03:39 PM

They are describing the thread size in the manifold for the heater hose (1/2 NPT-national pipe thread). On the summit site look at the PSST fittings- pricey but very nice. Bruce

11-11-2014, 03:39 PM	#2
BLT gmc Registered User Join Date: Feb 2014 Location: West Iowa Posts: 1,107	Re: heater hose fitting on intake - size? They are describing the thread size in the manifold for the heater hose (1/2 NPT-national pipe thread). On the summit site look at the PSST fittings- pricey but very nice. Bruce