E Series 370 amp Blue Billet GM truck

Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension. Not recommended for sustained use above 5,000 RPM engine speed.E Series Newly redesigned for 2020, The Elite series offers the highest possible amperage and durability available in a large case alternator. 6 phase technology combined with massive twin rectifier assemblies and 12 diodes makes these alternators totally durable for daily use, while still maintaining 200+ amps at engine idle speeds. Some models are available with adjustable voltage, ask a sales rep for more details.Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension. This unit may require a rectangle to oval adapter harness if the vehicle is equipped with the HD charging option from the factory. (not common)NameModelEngineYear(s)AmperageBUICKRainier5.304-06370aCADILLACEscalade5.7 / 6.0 / 6.299-04370aCHEVROLETAstro4.396-05370aCHEVROLETAvalancheAll Engines02-04370aCHEVROLETCamaro5.0 / 5.798-02370aCHEVROLETFull Size Truck/Silverado4.396-04370aCHEVROLETFull Size Truck/Silverado4.899-04370aCHEVROLETFull Size Truck/Silverado5.096-99370aCHEVROLETFull Size Truck/Silverado5.399-04370aCHEVROLETFull Size Truck/Silverado5.796-00370aCHEVROLETFull Size Truck/Silverado6.099-04370aCHEVROLETFull Size Truck/Silverado7.496-00370aCHEVROLETFull Size Truck/Silverado8.101-05370aCHEVROLETS-10 / Blazer4.396-04370aCHEVROLETSSR5.3 / 6.003-06370aCHEVROLETSuburbanAll Gas Engines96-04370aCHEVROLETTahoe/Full Size BlazerAll Gas Engines96-04370aCHEVROLETTrailblazer5.303-06370aCHEVROLETTrailblazer6.003-06370aGMCEnvoy5.303-06370aGMCFull Size Truck / Sierra4.396-04370aGMCFull Size Truck / Sierra4.899-04370aGMCFull Size Truck / Sierra5.096-99370aGMCFull Size Truck / Sierra5.399-04370aGMCFull Size Truck / Sierra5.796-00370aGMCFull Size Truck / Sierra6.099-04370aGMCFull Size Truck / Sierra7.496-00370aGMCFull Size Truck / Sierra8.101-05370aGMCS-154.396-04370aGMCSafari4.394-04370aGMCSuburbanAll Gas Engines96-04370aGMCYukonAll Gas Engines96-04370aHUMMERH26.003-07370aOLDSMOBILEBravada4.394-01370aPONTIACFirebird5.0 / 5.798-02370a