Dellorto DRLA 36/40/45/48 carburettor rebuild kit. Consists of all the gaskets,o-rings,needle valve and diaphragm (as shown in the pic). needle valve sizes available are;150,170,200,225 &250. version of kits available for sale will fit all the different drla carburetors (36,40,45 &48mm). please specify the type needed at the time of the purchase/payment. one kit rebuilds one pair of dual barrel down draft carb. Shipping costs are always combined for multiple purchases.the store has been setup that way in automated mode case some error occurs upon check out the extra shipping costs paid will be immediately refunded thru paypal. Before you check out please make sure to check all the products available in our store.