We are now offering galvanized (95% zinc and 5% aluminum) steel fuel lines w/ fittings for your Allis Chalmers tractor. USA made and bent in Canada ACS2066 fits G; ACS1974 fits B, C, CA, IB, D10, D12; ACS1863 fits WD; ACS1866 fits WD45 gas. Additional information is available here.