Water Neck Proline LS Engine

The Vintage Air Water Neck Proline LS Engine is a precision-engineered coolant distribution component specifically designed for LS-platform engine swaps and modern high-performance builds. This water neck is essential for ensuring optimal coolant flow and preventing air pockets that can compromise temperature regulation in LS engines.

Manufactured by Vintage Air, a trusted name in automotive thermal management, this Proline variant features precision casting that eliminates common defects found in budget alternatives. The compact design (3.95 x 2.75 x 6.3 inches) integrates seamlessly into tight engine compartments, while its lightweight construction at 0.56 lbs reduces parasitic weight without sacrificing durability.

Engine builders, custom fabricators, and serious enthusiasts rely on this water neck for its proven fitment and compatibility across LS1, LS2, LS3, and other LS-family variants. Installation is straightforward, pairing with standard radiator hoses typically sized at 1.5 inches (38mm), making it an ideal choice for both street and track applications.