Mercury Kiekhaefer Outboard 10-23171 Carburetor Carb Needle Screw Mark Model K Valve Covers Appears to be generally used

Appears to be generally used on GM V6 Vortec engines 1997-2007 (So possibly some MerCruiser models as well)

Impeller is in acceptable condition as seen in pictures

Item Details This is from a 1948 Montgomery Ward / Sea King 5hp Outboard Boat Motor

190 GM 283 V-8 1963-1964 1564539 THRU 1730903

Mercury Kiekhaefer Outboard 10-23171 Carburetor Carb Needle Screw Mark Model K Valve Covers Appears to be generally usedItem Description Mercury Part Number 10 23171 Which is some sort of Idle Lean Rich Mixture Control Adjustment Knob Screw, Might be high speed, might be low speed. Unsure what model or models this is from or can be used with. ( Where used book says MOD K which might be K1 K2 K3 K4 K5) Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have. Some of these parts might