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This category features Proform 1-2-3 Series radiator systems and accessories designed for Ford and GM applications. Products include complete radiator systems with aluminum cores, integrated fan shrouds, and electric fans, available in various core sizes like 17", 19", and 26". Manual transmission models are supported, and both single- and dual-fan setups are available. These systems offer an efficient, all-in-one cooling solution ideal for custom builds, restorations, and performance upgrades.

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90° Swivel Thermostat Housing – Ford Small Block

90° Swivel Thermostat Housing – Ford Small Block

90° Swivel Thermostat Housing – Ford Small Block

SKU 90620

C$200.00

Straight-Out LS Thermostat Housing – Polished Finish

Straight-Out LS Thermostat Housing – Polished Finish

Straight-Out LS Thermostat Housing – Polished Finish

SKU 90134

C$85.00

Straight‑Up Thermostat Housing – Chevy Small/Big Block

Straight‑Up Thermostat Housing – Chevy Small/Big Block

Straight‑Up Thermostat Housing – Chevy Small/Big Block

SKU 90120

C$98.00

45° Swivel Thermostat Housing – Chevy Small/Big Block (Polished)

45° Swivel Thermostat Housing – Chevy Small/Big Block (Polished)

45° Swivel Thermostat Housing – Chevy Small/Big Block (Polished)

SKU 90420

C$156.83

0° Swivel Thermostat Housing – Chevy Small/Big Block

0° Swivel Thermostat Housing – Chevy Small/Big Block

0° Swivel Thermostat Housing – Chevy Small/Big Block

SKU 90220

C$161.49

45° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

45° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

45° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

SKU BLK90420

C$133.31

Straight-Up Thermostat Housing – Mopar Applications

Straight-Up Thermostat Housing – Mopar Applications

Straight-Up Thermostat Housing – Mopar Applications

SKU 90820

C$94.00

0° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

0° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

0° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

SKU BLK90220

C$133.31

Straight-Out LS Thermostat Housing – Black Finish

Straight-Out LS Thermostat Housing – Black Finish

Straight-Out LS Thermostat Housing – Black Finish

SKU BLK90134

C$91.00

Thermostat Housing Gasket – Molded Rubber on Aluminum Carrier

Thermostat Housing Gasket – Molded Rubber on Aluminum Carrier

Thermostat Housing Gasket – Molded Rubber on Aluminum Carrier

SKU 738G

C$32.89

0° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

0° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

0° Swivel Thermostat Housing – Chevy Small/Big Block, Black Finish

SKU BLK90120

C$59.91

O-Ring – Thermostat Housing, 2½″ OD, Chevy Application, Rubber (Pair)

O-Ring – Thermostat Housing, 2½″ OD, Chevy Application, Rubber (Pair)

O-Ring – Thermostat Housing, 2½″ OD, Chevy Application, Rubber (Pair)

SKU RP9011

C$11.00

Aluminum Stage 2 Dual Fan Bracket for 26" Core Radiators

Aluminum Stage 2 Dual Fan Bracket for 26" Core Radiators

Aluminum Stage 2 Dual Fan Bracket for 26" Core Radiators

SKU 1262B00

C$240.00

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

SKU 119FS10

C$722.00

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Driver Side / Outlet Passenger Side – 23" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Driver Side / Outlet Passenger Side – 23" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Driver Side / Outlet Passenger Side – 23" Core

SKU 123GS10

C$722.00

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

SKU 126FB20

C$842.00

Slim‑Fit Radiator System – Direct‑Fit – Manual Transmission – 1968–77 A‑Body (Chevelle, El Camino, etc.)

Slim‑Fit Radiator System – Direct‑Fit – Manual Transmission – 1968–77 A‑Body (Chevelle, El Camino, etc.)

Slim‑Fit Radiator System – Direct‑Fit – Manual Transmission – 1968–77 A‑Body (Chevelle, El Camino, etc.)

SKU 69625.1

C$1 445.00

Stage 2 Fan Shroud – 123 Series – Single Fan – Fits 19" Core Radiators

Stage 2 Fan Shroud – 123 Series – Single Fan – Fits 19" Core Radiators

Stage 2 Fan Shroud – 123 Series – Single Fan – Fits 19" Core Radiators

SKU 1191S00

C$192.00

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 17" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 17" Core

1-2-3 Radiator System – Universal Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 17" Core

SKU 117FS10

C$722.00

1-2-3 Stage 1 Radiator – Universal GM Fit – Manual Transmission – Inlet Driver Side / Outlet Passenger Side – 23" Core

1-2-3 Stage 1 Radiator – Universal GM Fit – Manual Transmission – Inlet Driver Side / Outlet Passenger Side – 23" Core

1-2-3 Stage 1 Radiator – Universal GM Fit – Manual Transmission – Inlet Driver Side / Outlet Passenger Side – 23" Core

SKU 123G000

C$361.00

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 17" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 17" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 17" Core

SKU 117F000

C$361.00

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

SKU 119F000

C$361.00

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

SKU 126F000

C$361.00

Slim-Fit Radiator System – Universal Ford Style – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

Slim-Fit Radiator System – Universal Ford Style – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

Slim-Fit Radiator System – Universal Ford Style – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 19" Core

SKU 69590-19

C$1 409.00

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 23" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 23" Core

1-2-3 Stage 1 Radiator – Universal Ford Fit – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 23" Core

SKU 123F000

C$361.00

Slim-Fit Radiator System – Universal Ford Style – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

Slim-Fit Radiator System – Universal Ford Style – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

Slim-Fit Radiator System – Universal Ford Style – Manual Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

SKU 69590-26

C$1 409.00

1-2-3 Series Stage 2 Dual Fan Shroud – 26" Core

1-2-3 Series Stage 2 Dual Fan Shroud – 26" Core

1-2-3 Series Stage 2 Dual Fan Shroud – 26" Core

SKU 1262S00

C$216.00

Slim-Fit Radiator System – Direct-Fit Ford (1979-93 Mustang / 1980-88 Thunderbird) – Manual Transmission – 24" Core

Slim-Fit Radiator System – Direct-Fit Ford (1979-93 Mustang / 1980-88 Thunderbird) – Manual Transmission – 24" Core

Slim-Fit Radiator System – Direct-Fit Ford (1979-93 Mustang / 1980-88 Thunderbird) – Manual Transmission – 24" Core

SKU 69680.1

C$1 445.00

1-2-3 Series Stage 2 Single-Fan Shroud – 26" Core

1-2-3 Series Stage 2 Single-Fan Shroud – 26" Core

1-2-3 Series Stage 2 Single-Fan Shroud – 26" Core

SKU 1261S00

C$192.00

1-2-3 Radiator System – Universal LS Engine – Manuel Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

1-2-3 Radiator System – Universal LS Engine – Manuel Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

1-2-3 Radiator System – Universal LS Engine – Manuel Transmission – Inlet Passenger Side / Outlet Driver Side – 26" Core

SKU 126LB20

C$843.00

1 - 30 of 37 items

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Horton Hot Rod Parts

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Every customer is different—and that’s exactly why they’re called customers. There’s no single formula that works for everyone. Some people want detailed descriptions, others prefer videos, and some need parts fabricated or welded to suit their project. Our approach has always been simple: meet people where they are, listen carefully, and treat every customer the same way we would want to be treated ourselves. That philosophy has guided how we do business from the very beginning and continues to shape everything we do today.

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