Small Block Chevy Aluminum Radiator 19x31 - Double Pass

Thermal management is non-negotiable in high-performance racing, and this Small Block Chevy aluminum radiator delivers proven cooling efficiency without the premium price tag. The furnace-brazed, double-pass design pulls heat faster than traditional copper tube configurations, giving you 10–20 degree coolant temperature reductions that translate directly to engine reliability and consistent power output. If you're running a serious build and need dependable cooling on a realistic budget, this is the core you've been looking for.

• 19x31 dimensions
• All-aluminum construction
• Furnace-brazed (not epoxy)
• Double-pass design
• 2.25" core thickness
• Two rows, 1" tubes
• 10–20° temperature reduction
• 1.5" upper inlet (passenger)
• 1.75" lower outlet (passenger)
• Small Block Chevy fitment
• Bolt-on installation
• MPN: 917340-31