Description
Take your cooling system setup to the next level with the Allstar Performance Billet Water Neck Spacer ALL30375 — a precision-machined solution that gives you four additional coolant ports right where you need them. Built from high-quality aluminum with a sleek black anodized finish, this spacer is both tough and great-looking under the hood. Whether you’re running temperature sensors, coolant lines, or other accessories, this piece makes the job clean and simple.
- Material: Billet aluminum
- Finish: Black anodized
- Thickness: 1 inch
- Ports: Four 1/2 in NPT female
- Seal: O-ring included
- Fitment: Chevy V8
- Quantity: Sold individually
If you’re building a serious Chevy V8 engine setup and need reliable, leak-free access points in your cooling system, the ALL30375 is an easy choice. The o-ring seal keeps everything tight, and the billet construction means it’ll hold up through years of hard use. A smart, affordable upgrade for racers and performance enthusiasts alike.









