1-2-3 Stage 1 Radiator – Universal GM Fit – Manual Transmission – Inlet Driver Side / Outlet Passenger Side – 23" Core
Stage 1 aluminum radiator from PROFORM’s 1-2-3 Series, designed as the base for building a complete modular cooling system. Ideal for performance applications, it features a TIG-welded core and tanks, billet cap, and optimized louver design for efficient heat dissipation.
• Cap Color: Silver
• Cap Included: Yes
• Core Width: 23"
• Core Thickness: 2.4"
• Overall Width: 28.3"
• Height: 18"
• Inlet: 1.5" diameter, driver side
• Outlet: 1.75" diameter, passenger side
• Transmission: Manual
• Construction: All aluminum, natural finish
• Electric Fans Included: No
• Shroud Included: No
• Mounting: Universal
Included:
• Single-pass aluminum radiator with TIG-welded fabricated tanks
• Billet aluminum radiator cap (silver)
• Overflow tube with integrated filler neck
• 100% new components—never refurbished
• Designed for modular expansion with Stage 2 shrouds and Stage 3 fans