Chevy Big Block Double-Groove Aluminum Long Water Pump Pulley - Natural

• Fits Chevy big block water pump pulley applications

• Billet Aluminum construction with black finish with Gilmer

• Supports belt alignment and accessory drive stability

• Confirm pulley offset, shaft fit, belt style, groove count, and included hardware before installation

Water Pump Pulley Fit & Belt Alignment:This pulley is built for Chevy big block accessory drive systems, with the key dimensions needed to match belt routing, accessory position, and pulley spacing.

Spec-Driven Compatibility:Gilmer help determine correct fitment for the accessory drive system. Match groove count, belt style, bore size, and pulley offset before installation.

Material, Finish & Drive Reliability:Billet Aluminum construction with black finish supports belt tracking, durability, and clean front-drive appearance. Verify mounting hardware, shaft fit, and belt alignment before installation.

What applications is this water pump pulley compatible with?
This water pump pulley is designed for COMPATIBLE WITH, CHEVROLET BIG BLOCK V8 GEN. II (MARK IV), 6.5 L / 396 in3, 6.6 L / 402 in3, 7.0 L / 427 in3, 7.4 L / 454 in3, NOTE: Fits big block Chevy long water pump engines..

Will this water pump pulley fit my engine?
This pulley is intended for Chevy/GM 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 type of belt system does this pulley use?
This pulley is designed for a gilmer belt configuration.

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

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.

Does this pulley include hardware?
Yes, this pulley includes hardware for installation.

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