This is the O.S. .91SZ-H Hyper Needle Valve Assembly, a Mid Range Needle Valve Assembly for the O.S. Max 60M Carburetor (OSMG2517) used on the .91SZ-HPR Engine.
Features:
- Threads into carburetor body and controls mid range carburetor operation
Includes:
- (1) Needle Holder Assembly
- (2) Metal washers
This product is expected to become available for purchase on Tuesday, August 16, 2022








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