The Speedmaster PCE246.1005 is a billet aluminum water pump pulley designed specifically for Small Block Chevy 350 applications running a long water pump (LWP) setup. Machined from billet aluminum, this single-groove pulley offers a strong, lightweight alternative to stamped steel pulleys, helping reduce rotating mass and deliver consistent belt tracking under demanding conditions.
Designed to work with long water pump configurations on SBC 350 engines, this 1-groove pulley is a direct-fit upgrade for street and performance builds alike. The precision-machined billet construction ensures accurate dimensions for proper belt alignment, making it a reliable choice for anyone refreshing or upgrading their Small Block Chevy cooling system drive setup.