Series 840/4 Z - Hex insert (Allen head) extended bits

like for laminating into fiberglass

Prevents clutch slipping and chatter for consistent engagement

- Width across back at widest point: 18

Classic steel mesh air cleaner

mikuni hsr42 total carb kit for harley 3OM Series 840/4 Z - HexMikuni HSR42 Total Carb Kit for Harley If you're dialing in a custom build and need serious performance, this high flow carb is what you're after. The Mikuni HSR42 gives you fast throttle response and smooth power delivery, perfect for tuned engines that need more than a stock setup. The Total Carb kits include the carburetor, a high performance manifold, K&N high flow air filter assembly, chrome air cleaner cover and breather kit. Features: 42mm