Brass neck and billet radiator cap sets

2-5/8" neck & billet cap set

$89.00

At 2-5/8" diameter this set can be used for a gas tank, recover tank, radiator repair or a myriad of other purposes. Chunky knurl makes it ideal for large tanks, truck radiators, fire engines and stately motor cars.

We make to order. Please allow adequate time for us to build.

Build time estimates [April 23, 2026]

Model Ts Brass 18 weeks

Model Ts Black 13 weeks

Model As 17 weeks

Heater cores ~11 weeks

1928-34 Ford Hot rods 2-3 weeks

Common street rods ~12-15 weeks

Tricky customs & complicated restorations ~20-25 weeks

We appreciate your patience as we continue to recruit and train new fabricators and manage the labor shortfall our country has been experiencing.