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This is a complete cylinder head for a MGA (Valve/block Clearance Must be Checked on MGA) and MGB with 1.56 Intake Valves. This non-smog head has no air pump fittings. All head are not the same, this head is built with 1.56 Intake Valves, alloy retainers,214N stainless exhaust valves plus all the valves are ground. This head will run cooler and will not crack like the stock heads. Combustion chamber size is 42cc. Cross Ref.# 451-806
SKU: 842HP
SKU: CK664
SKU: CK664P
SKU: TMG10764
