Collection: Radiators and Trans Coolers
Shop high-performance radiators designed to improve heat dissipation, regulate engine temperature, and support efficient cooling system operation. Built for durability and optimal airflow, these radiators help maintain consistent engine temperatures under demanding conditions. Ideal for street builds, restoration projects, LS swaps, and high-performance applications.
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3/4" Aluminum Heater Hose End Cap - Blue
Vendor:Top Street PerformanceSKU: SP6371Regular price $7.00Sale price $7.00 Regular priceUnit price / per$7.70Sold out -
1 5/8" Aluminum Radiator Hose End Cap - Chrome
Vendor:Top Street PerformanceSKU: SP6368Regular price $12.00Sale price $12.00 Regular priceUnit price / per$13.20Sold out -
1 5/8" Aluminum Radiator Hose End Cap - Polished
Vendor:Top Street PerformanceSKU: SP6366Regular price $15.95Sale price $15.95 Regular priceUnit price / per$17.55Save $1.60 -
1 5/8" Aluminum Radiator Hose End Cap - Black
Vendor:Top Street PerformanceSKU: SP6456Regular price $15.95Sale price $15.95 Regular priceUnit price / per$17.55Sold out -
1 5/8" Aluminum Radiator Hose End Cap - Blue
Vendor:Top Street PerformanceSKU: SP6367Regular price $14.95Sale price $14.95 Regular priceUnit price / per$16.45Save $1.50 -
1 5/8" Aluminum Radiator Hose End Cap - Red
Vendor:Top Street PerformanceSKU: SP6369Regular price $11.00Sale price $11.00 Regular priceUnit price / per$12.10Save $1.10 -
Stainless Steel 44" Flexible Heater Hose Kit - Black
Vendor:Top Street PerformanceSKU: SP6455Regular price $77.00Sale price $77.00 Regular priceUnit price / per$84.70Sold out -
Stainless Steel 44" Flexible Heater Hose Kit - Blue
Vendor:Top Street PerformanceSKU: SP6364Regular price $101.95Sale price $101.95 Regular priceUnit price / per$112.15Sold out -
Stainless Steel 44" Flexible Heater Hose Kit - Red
Vendor:Top Street PerformanceSKU: SP6365Regular price $101.95Sale price $101.95 Regular priceUnit price / per$112.15Sold out -
1 1/4" Radiator Hose Reducer
Vendor:Top Street PerformanceSKU: SP6374Regular price $4.95Sale price $4.95 Regular priceUnit price / per$5.45Sold out -
3/4" Heater Hose Adapter with 5/8" Reducer
Vendor:Top Street PerformanceSKU: SP6377Regular price $7.00Sale price $7.00 Regular priceUnit price / per$7.70Sold out -
1 5/8" Radiator Hose Adapter with Reducers
Vendor:Top Street PerformanceSKU: SP6375Regular price $12.95Sale price $12.95 Regular priceUnit price / per$14.25Sold out -
2" Radiator Hose Adapter with 1 1/2" Reducer
Vendor:Top Street PerformanceSKU: SP6376Regular price $17.95Sale price $17.95 Regular priceUnit price / per$19.75Sold out -
48" Chrome Radiator Hose Kit
Vendor:Top Street PerformanceSKU: HC6304CRegular price $97.77Sale price $97.77 Regular priceUnit price / per$111.10Save $13.33 -
44" Chrome Heater Hose Kit
Vendor:Top Street PerformanceSKU: HC6310CRegular price $86.92Sale price $86.92 Regular priceUnit price / per$98.78Save $11.86 -
24" Finned Aluminum Dual Pass Heat Sink Transmission Cooler
Vendor:Top Street PerformanceSKU: SP7368Regular price $97.95Sale price $97.95 Regular priceUnit price / per$107.75Sold out -
18" Finned Aluminum Dual Pass Heat Sink Transmission Cooler
Vendor:Top Street PerformanceSKU: SP7367Regular price $82.95Sale price $82.95 Regular priceUnit price / per$91.25Sold out -
12" Finned Aluminum Dual Pass Heat Sink Transmission Cooler
Vendor:Top Street PerformanceSKU: SP7365Regular price $58.95Sale price $58.95 Regular priceUnit price / per$64.85Sold out -
24" Finned Aluminum Heat Sink Transmission Cooler
Vendor:Top Street PerformanceSKU: SP7364Regular price $63.00Sale price $63.00 Regular priceUnit price / per$69.30Sold out -
18" Finned Aluminum Heat Sink Transmission Cooler
Vendor:Top Street PerformanceSKU: SP7362Regular price $53.00Sale price $53.00 Regular priceUnit price / per$58.30Sold out
About Our Radiators and Trans Coolers
A radiator is a critical component of a vehicle’s cooling system, responsible for dissipating heat from the engine by transferring it from the coolant to the surrounding air. As coolant circulates through the engine, it absorbs heat and flows into the radiator, where it passes through a network of tubes and fins designed to maximize heat transfer.
Efficient heat dissipation is essential for maintaining proper engine temperature and preventing overheating. High-performance radiators are designed with larger cores, increased surface area, and improved airflow to enhance cooling efficiency compared to standard factory units.
Aluminum radiators are a popular upgrade due to their lightweight construction and superior heat transfer properties. Many performance radiators also feature multi-row cores, high-density fins, and integrated transmission coolers to improve overall system performance and durability.
Radiators work in conjunction with other cooling system components such as water pumps, thermostats, and cooling fans to regulate engine temperature. A properly functioning radiator helps maintain stable operating conditions, improve engine efficiency, and protect against overheating-related damage.
Whether you're replacing a worn factory unit or upgrading for performance, choosing the right radiator helps ensure efficient cooling, improved reliability, and long-term engine protection.
Shop Cooling & Heating Components
- Cooling Fans
- Water Pumps
- Thermostats, Housings & Fillers
- Overflow Tanks & Catch Cans
- A/C Compressors

