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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
T4198 or 40-3203
Replaces Norton part number 04-2569 and 042569
diameters and thread pitch
Fits all BSA Unit A50 & A65 Twins (Lightning
Works with Triumph & BSA Unit Twins running 12 volt
Amal Monobloc Dual Carb Throttle Slide Spring (1) 376/132 Unit T4198 or 40-3203New Amal Monobloc Dual Carb Throttle Valve Return Spring. Please note that this spring is suited for motorcycles that are running dual (2) Amal Monobloc carbs why? Dual carbs require a lighter spring tension compared to those that have one single carb. Spring measures 2 1 2 long. Fits all Amal Monobloc carburetors (375, 376, 389, 689, etc) from approx 1954 1967. Please refer to your parts catalog for proper fitment. Made in England O. E. M Part number
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