Fuel lines dimensions Post Posted 31 January 2006, 3:17 PM #637627 (In Topic #76828) c11rgd Settled In Fuel lines dimensions anyone know the exact diemnsion of both the Supply line and Return lines for the gtiide like to know the diamater of the pipethe fittings on either end and the lengthsplease help Birmingham 0 guests and 0 members have just viewed this: None. Forum home Fuel Systems and Exhausts