DEI Radiator Relief 16 oz. - 40200

Radiator Relief(TM) solves the problem of high engine temps by reducing coolant temperatures up to 30 degrees. Radiator Relief is an excellent method of treating cooling systems as a preventive step to help avoid overheating, electrolytic (electrolysis)...

DEI Radiator Relief 32 oz. - 40104

Radiator Relief(TM) solves the problem of high engine temps by reducing coolant temperatures up to 30 degrees. Radiator Relief is an excellent method of treating cooling systems as a preventive step to help avoid overheating, electrolytic (electrolysis)...

DEI Radiator Relief Assortment Pack - 16 oz. - 41210

All Radiator Relief coolant additives are specially formulated to reduce the bubbles that form on hot metal surfaces, such as cylinder heads, known as surface tension. Radiator Relief improves and accelerates the coolant transfer from the engine to the...

DEI Radiator Relief Chill Charger - 16 oz. - 40208

Chill Charger for water-to-air intercoolers maximizes thermal transfer to lower air intake temperatures while also protecting core corrosion, electrolysis and harmful mineral build up. By effectively transferring water that circulates through the...

DEI Radiator Relief Diesels - 16 oz. - 40204

Radiator Relief(TM) for Diesels supercharges your radiator by transferring heat more efficiently through the radiator. Similar to the original formula this proven coolant additive will reduce your operating temperature up to 30F degrees and reduce engine...

DEI Radiator Relief Flush - 16 oz. - 40202

Radiator Relief(TM) Cooling System Flush is a concentrated cleansing agent that effectively removes rust and mineral deposits left behind in the radiator core and hose lines. This advanced treatment also dissolves oily residue build-up left behind in old...

DEI Radiator Relief Heater Hotter - 16 oz. - 40206

Heater Hotter(TM) solves the problem of slow warm up times and waiting for your vehicle to thaw in winter months. Heater Hotter formulated specifically to accelerate the transfer of heat from engine to cooling system in frigid climates that otherwise...

HKS Honda Civic Type R (FK8) 4L Super Coolant Racing Pro (Min Qty 4) - 52008-AK002

HKS Honda Civic Type R (FK8) 4L Super Coolant Racing Pro (Min Qty 4)

HKS Super Coolant Sport 4L (Min Qty 24) - 52008-AK003

HKS Super Coolant Sport 4L (Min Qty 24)

Mishimoto Liquid Chill EG Coolant, European/Asian Vehicles, Blue - MMRA-LC-EG-BL

Mishimoto's Liquid Chill Original Equipment engine coolant is formulated with an ethylene glycol base to provide optimalheat transfer, boiling protection up to 265F, freeze protection down to -34F, unparalleled anti-corrosion, and superiorlubrication,...

Mishimoto Liquid Chill EG Coolant, European/Asian Vehicles, Pink/Red - MMRA-LC-EG-PK

Mishimoto's Liquid Chill Original Equipment engine coolant is formulated with an ethylene glycol base to provide optimalheat transfer, boiling protection up to 265F, freeze protection down to -34F, unparalleled anti-corrosion, and superiorlubrication,...