Norton Commando Billet Aluminum Oil Union Junction Block

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For purchase is a Billet Aluminum Oil Union Junction block that replaces the OEM soldered block. Our unit with the fittings on the oil lines will allow for easier fitment and set up. The result of using this higher quality unit is that there will be less chance of breaking and leaking. Our Junction Block is tapped 1/4 BSP for unions or screw in hose connectors to suit your desired hose size. However, 1/4 - 1/4 Stainless unions can be supplied as an option. Further, the Union Block can be purchased without the stainless unions for a savings of $22.00. Please advise when ordering.

Our kit is a direct fitment to the original Norton Commando crankcases as well as our Molnar Precision manufactured Commando crankcases. Please know that our Oil Union Junction Block will fit pre-Norton Commando models. However, that will require some slight adjusting to fit, to include replacing the retaining stud and sleeve nut with a 5/16 Whit allen bolt. Address any questions to