Moroso SB Chevy Aluminum Water Pump - SB and 90 V6 Chevy 5/8" Shaft - 1955-68 "Short" Design Fresh Air System Cooling Tubes there's not a better stud

there's not a better stud setup on the market today

Compete W/Mounting Hardware

2003-2008 Chevrolet Express 3500

64 in Length

4 in Center Outlet

Moroso SB Chevy Aluminum Water Pump - SB and 90 V6 Chevy 5/8" Shaft - 1955-68 "Short" Design Fresh Air System Cooling Tubes there's not a better studMoroso first pioneered the aluminum water pump for racing over 15 years ago. Over the years, continual improvements have resulted in providing the best cooling system components available for competition use. Computer designed housing cast from 356 T6 aluminum and lightweight impellers are engineered to maintain consistent coolant temperature throughout the water jacket, preventing localized boiling, detonation, head warping and cracking, etc.