The Vintage Air 735011 is a 2-groove V-belt water pump pulley engineered for Mopar B/RB-series big blocks — including 383, 440, and 426 Hemi engines. It measures 5.813in in diameter and is machined from aluminum with a black anodized finish.
Specifications:
- V-belt water pump pulley
- 2-groove design
- 5.813in diameter
- Aluminum construction, black anodized finish
- Fits Mopar B/RB-series 383-440 big block and 426 Hemi engines
FAQ
What engines does the 735011 pulley fit?
It's built for Mopar B/RB-series big block engines, covering 383-440 applications as well as the 426 Hemi.
How many belt grooves does this pulley have?
It's a 2-groove pulley designed for dual V-belt accessory drive setups.
What is the pulley diameter?
5.813 inches.
What is the pulley made from?
Aluminum with a black anodized finish.

