Norton Commando Black Diamond Intake & Exhaust Valve 06-4034R 06-5115R 1969-75

  • $ 118.95


*Back In Stock!* New USA Made Kibblewhite  Norton Commando Twins Black Diamond Intake & Exhaust Valve Set. This is as good as it gets! If your Rebuilding your Top End on your Norton Commando and looking to install the absolute Best Quality parts, then this set is exactly what you need! You won't find a better price or quality on these BSA Black Diamond Valves! Made from One Piece Forgings! Fits all 750 & 850 Norton Commando Twins (Fastback, Interstate, Hi-Rider, Roadster, Etc) from 1969-1975. Please refer to your parts catalog for proper fitment.
*****Please check the specifications below to ensure the best fitment! May fit other Norton Commando's that are not listed abouve!*****
*What is Black Diamond?*
-CNC machined from one-piece forgings of EV8 Stainless Steel. Multi-stage process reduces friction, and provides superior resistance to corrosion and wear.
Intake specs
-Head Diameter: 1.500"/38.10mm
-Stem Diameter: .3107"
-Stem Length: 4.065"
Exhaust Specs
-Head Diameter: 1.300"/33.02mm
-Stem Diameter: .3107"
-Stem Length: 4.015"
•Made in the USA
•O.E.M Part number is 06-4034, 06-3282, 06-3283 or 06-5115