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SCREW SET, CARB ADJUSTING, EXTENDED & KNURLED

Part Number 691-622168/169

These Monobloc style extended and knurled idle mixture and speed screw sets for all AMAL Concentric Mk1 and Mk2 model carbs make adjustments a breeze.

No longer do you have to carry a screwdriver with you to adjust or synchronize carbs, but you can now fine tune on the fly, using these quality US made improved adjusters, which sold as a set of two screws with orings and install in seconds to replace the stock screws and upgrade AMAL carbs instantly.

One 691-622168/169 set as required per carb.