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Harrison heater core made round heater cores for Pontiac, Buick, Cadillac, Chevrolet and more GM Brands. They also made under seat heaters cores in the 1940s for Cadillac, LaSalle, Buick. In Europe a similar design was used by Smiths for Land Rover, BMC, Morris Minor, Jaguar XKs, Triumph TRs and more.
We can form curved shape heater core for under seat heater cores and engine located heater cores as well as curved radiators to match Harry Miller racer cars and 1925-1927 Studebakers.
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We make to order. Please allow adequate time for us to build.
Build time estimates [Feb 4 2026]
Model Ts Brass 12 weeks
Model Ts Black 8 weeks
Model As 13 weeks
Heater cores ~11 weeks
1928-34 Ford Hot rods 8 weeks
Common street rods ~12-15 weeks
Tricky customs & complicated restorations ~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.
We make to order. Please allow adequate time for us to build.
Build time estimates [Feb 4 2026]
Model Ts Brass 12 weeks
Model Ts Black 8 weeks
Model As 13 weeks
Heater cores ~11 weeks
1928-34 Ford Hot rods 8 weeks
Common street rods ~12-15 weeks
Tricky customs & complicated restorations ~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.