Quick view Add to Wishlist HOLLEY Holley Alt & P/S Pump Sys. Kit GM LS Engines HLY20-143 Alternator Kit - 12V - 1-Wire - Drivers Side Mount - 130 amp Alternator / Bracket / PS PUMP / Pulley / Hardware - Aluminum Case - Natural - GM LS-Series - Kit MSRP: $1,190.95 Add to Cart The item has been added Compare