Performance Radiator with Shroud for Dodge Challenger (1970-1974) 3.2L 3.7L 5.2L 5.6L 5.9L 6.3L

Direct-Fit Performance Aluminum Radiator with Shroud for 1970-1974 Dodge Challenger

What it Does: The high-efficiency performance radiator with integrated electric fan shroud replaces the restrictive, leak-prone factory cooling unit on the 1970-1974 Dodge Challenger to maximize heat dissipation and prevent vapor lock or overheating under sustained loads.

The Stock Dodge Challenger Thermal Dissipation Bottleneck

Original 1970-1974 factory cooling systems in the Dodge E-body relied on dense copper-brass cores bonded with lead solder. After decades of thermal cycling, internal scale and mineral buildup choke fluid channels, severely limiting flow rate. Worse, mechanical belt-driven fans drag down engine power and fail to pull adequate CFM at low engine speeds or prolonged idle, causing severe heat soak in high-displacement Slant-6, LA Small Block, and B-series Big Block engine bays.

The Engineering Solution

Constructed from lightweight, aircraft-grade aluminum, this cooling package utilizes an expanded dual-row tube-and-fin core with precision 100% TIG-welded end tanks to eliminate standard epoxy joint failures. The increased fluid capacity and optimized fin pitch radically expand surface area for efficient convective heat transfer. Paired with a formed aluminum shroud and high-velocity electric fan assembly, it delivers uniform low-pressure pull across the entire matrix face, maintaining optimal coolant operating temperatures regardless of ambient heat or engine RPM. Engineered to standard CU375 mounting geometry, it secures to the core support with factory bolt-in alignment.

Technical Specifications

Compatibility

• 1970-1972 Dodge Challenger 3.2L (198 ci) Slant-6
• 1970-1974 Dodge Challenger 3.7L (225 ci) Slant-6
• 1970-1974 Dodge Challenger 5.2L (318 ci) LA Small Block V8
• 1970-1973 Dodge Challenger 5.6L (340 ci) LA Small Block V8
• 1974 Dodge Challenger 5.9L (360 ci) LA Small Block V8
• 1970-1971 Dodge Challenger 6.3L (383 ci) B-series Big Block V8

Frequently Asked Questions

Does this fit the E-body Challenger?
Yes, this is a direct fit for the 1970-1974 Dodge Challenger equipped with original Slant-6, LA Small Block, or B-series engines.

Does this unit feature integrated transmission cooling provisions?
Yes, it includes internal transmission cooler ports threaded to accommodate standard automatic transmission fluid lines.

The Dodge Muscle Standard

Classic Mopar muscle demands thermal control capable of handling aggressive ignition curves and heavy power pulls. This all-aluminum cooling system eliminates high-temperature cavitation and detonation risks, safeguarding classic iron blocks under severe operating conditions.