MEAN GREEN MG1234 HIGH OUTPUT ALTERNATOR 2011-2019 GM 6.6L DURAMAX INTERCOOLERS HSP uses a 3" diameter

HSP uses a 3" diameter mandrel bent pipe which showed major power gains over the factory small diameter pipe when dyno testing

6L Duramax by up to 67% and produced up to 16HP & 49 lb-ft of torque

saving valuable time and expenses

Dynamic Safety Features (Cold Engine Protection

MEAN GREEN MG1234 HIGH OUTPUT ALTERNATOR 2011-2019 GM 6.6L DURAMAX INTERCOOLERS HSP uses a 3" diameterWhen you need increased charging capability, replace the stock alternator in your 2011 2019 GM 6. 6L Duramax with the Mean Green MG1234 High Output Alternator. Providing up to 300% more power than stock, the Mean Green alternator can handle charging any engine, no matter what the power requirement is! Featuring a tool steel rotor shaft supported by heavy duty sealed bearings on each end, this alternator means business. Even the heavy duty solid copper