Coolant flow restrictor cone
Coolant flow restrictor cone
Coolant flow restrictor cone

Coolant flow restrictor cone

restrictor cone

Regular price $12.99

If you're losing water in a non pressure radiator at higher speeds, flow restriction is a useful remedy. Place this cone inside your top hose connection..  Mark it the ID and cut the tip and base to achieve the preferred diameter for lower flow rate.   

Three cones pictured but you are buying one cone with an OD of 1.6" and height of 1.5"

Free freight 


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

Build time estimates [late May 2025]

Model Ts Brass/Black [Our foundry has resumed production and we have begun shipping Model Ts.  We will update the lead times asap]

Model As 9-11 weeks

Heater cores ~6 weeks

Model A and 32 Ford Street rods 6 weeks

Common street rods ~10-13 weeks

Tricky customs & complicated restorations ~16 weeks

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