THIS IS A PAIR OF ORIGONAL DOWNTON MANAFOLDS IN CAST ALLUMINIUM THEY ARE 1" 1/18 BORE TO SUIT A PAIR OF SU CARBS THE HOLE CENTER TO THE HEAD FITTING ARE 3" BUT COULD BE ALTERED DOWN TO 2 1/2" THEY ABOUT 4" LONG AND HAVE BALLANCE PIPE FITTINGS THAT COULD BE CONNECTED WITH A RUBBER HOSE IDEAL FOR TWIN CARB CONVERSION RARE ITEM IN GOOD CONDITION. |