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This is an external voltage regulator (control. box) for a MGB and MGC 1968 only and Triumph TR250 Only. Please note when installing, please double checking wiring arrangement. Cross Ref.# 130-440, 37427, 37527, 37538, 37550, 37586, 37694, NCB143
**Important Note**
Check pin position as it may be different from your current regulator
SKU: NCB144
SKU: NCB133XB
SKU: 148876DN
