Small Block Chev Long Water Pump Polished 3/4" Shaft with 5/8" Fan Pilot Snout

Small Block Chevy 350 Long Water Pump – Polished 3/4" Shaft with 5/8" Fan Pilot Snout

Upgrade your street-driven Small Block Chevy 350 with Aeroflow’s long-style water pump. Polished aluminium construction combined with a 3/4" shaft and a 5/8" fan pilot snout ensures secure pulley alignment and reliable cooling under daily driving conditions.

Includes

• 2 x 1/2" NPT plugs
• 2 x water pump gaskets
• 2 x pulley shims (1.5mm thick)
• 1 x pilot spacer (16mm height x 20.5mm OD x 10.5mm ID)
• 4 x 3/8"-16 hex bolts (57mm UHL)

Key specifications

• Long water pump design with a 3/4" shaft and 5/8" fan pilot snout
• 1/2" NPT hole on passenger side for heater hose and on top for bypass hose
• 3/4" ultra-duty bearings
• Six-blade precision impeller with curved vanes for maximum flow and even distribution to both sides of the block
• Lightweight cast aluminium construction for weight savings, durability, and enhanced cooling potential

Performance and compatibility

Part of Aeroflow’s high-performance street-range, this pump is designed to work with OEM accessories and pulleys for hassle-free installation. The six-blade impeller design minimizes cavitation at high RPM and resists cracking, corrosion, and fatigue, ensuring consistent cooling across typical street use. Finish options include natural cast or polished; this listing features the polished long style. Important: intended for street use and should not be operated on engines exceeding 5,500 RPM.