GM LS Aluminum Straight Water Neck - Chrome

Straight Outlet Design – Helps improve upper radiator hose routing

Secure Coolant Connection – Supports leak-resistant cooling system operation

Aluminum Construction – Built for heat, pressure, and long-term reliability

Application-Specific Fitment – Designed for the listed engine and sealing configuration

This Straight water neck is designed to provide a secure coolant outlet connection between the engine and upper radiator hose. Its aluminum construction with a chrome finish supports reliable coolant routing while giving the engine bay a clean finished look.

Straight Outlet Configuration
The outlet angle helps route the upper radiator hose cleanly in performance, restoration, and custom cooling system layouts.

Secure Hose Connection
Designed to create a tight connection at the thermostat housing area to support reliable coolant flow and help reduce leak points.

Aluminum Construction
Built from aluminum to handle coolant system heat, pressure, and repeated service conditions.

Application-Specific Cooling Fitment
Designed for the listed engine family and sealing style, with fitment verified by the product dimensions and specifications.

What applications is this water pump pulley compatible with?
This water pump pulley is designed for COMPATIBLE WITH, CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS-BASED).

Will this water pump pulley fit my engine?
This pulley is intended for GM LS applications and should match your water pump style, belt system, and accessory setup.

What does a water pump pulley do?
A water pump pulley drives the water pump using the engine belt system, helping circulate coolant through the engine.

What material is this pulley made from?
This pulley is made from aluminum, providing strength while helping reduce rotating weight.

What finish does this pulley have?
This pulley features a chrome finish, which affects appearance but not performance.

Can pulley size affect cooling performance?
Yes, pulley diameter affects water pump speed, which can influence coolant flow and engine cooling.

Is this a good upgrade over a stock pulley?
Yes, aftermarket pulleys can improve durability, reduce weight, and enhance engine bay appearance.

Do I need to verify belt compatibility before installation?
Yes, groove count and belt type must match your existing accessory drive system.

Do I need to verify alignment before installation?
Yes, proper pulley alignment is critical for belt tracking and preventing premature wear.

Do I need hardware for installation?
You may need bolts or spacers depending on your specific setup.

Can this pulley be used on performance builds?
Yes, water pump pulleys are commonly used in performance and custom engine builds.