Radiators (86-91 RX-7)

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Koyo Radiator R Series (86-88 RX-7) HH060642

Koyo Aluminum Radiator (48mm) Fits Turbo & NA with M/T Only. Koyo radiators are fully polished to a mirror finish, offer 30% more cooling than standard radiators, and are great for high revving, turbo, supercharged or nitrous oxide high performance motors! 

Built with a robust 48mm core, the R-Core Series is engineered for the serious performance tuner.  Increased capacity means better cooling reserve when you need it. Intended for both circuit and daily use, you may double your coolant capacity and see up to 35% increased performance over your stock radiator.  All Koyorad R-Series All Aluminum Radiators are Nocolok brazed, designed as a factory fit, direct bolt in with no engine modifications necessary, and retain mounts for the stock fan shrouds and fans.

Note: Re-use OEM Radiator Brackets  
Price: $453.60
Sale Price $370.00 		Quantity
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Koyo Radiator R Series (89-91 RX-7) HH060643
Koyorad's 48mm “HH” Series radiator core features an ultra high fin density to maximize heat transfer. Koyo designs and manufactures each radiator with precision; therefore each one is a direct-fit performance replacement for the stock OE plastic/aluminum radiator for a quick and simple installation with no modifications. Koyo has also integrated a 1/8” NPT female accessory fitting (supplied with a threaded plug) to accept temperature sensors typically included with aftermarket temperature gauges.

Koyorad quality is a direct result of their privately owned factories which allow Koyorad Japan to oversee each stage of radiator production. This ensures that quality is never sacrificed for quantity. Each Koyo all aluminum radiator core is hand assembled, Nocolok brazed, then TIG welded by hand with the finest aluminum available. These are just a few characteristics that have earned Koyorad Radiators their excellent reputation in performance radiators worldwide.

Features
* Koyorad “HH” Series 48mm Hyper Core
* OE Specific mounting and direct fit
* Nocolok-R Brazing
* Precise Tube and Fin alignment
* Billet aluminum filler neck
* 1/8” NPT female accessory fitting
 
Note: Re-use OEM Radiator Brackets  
Price: $453.60
Sale Price $370.00 		Quantity
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Koyo Radiator N-Flo (89-91 RX-7) HH060643N
Features
* Koyorad “HH” Series 48mm Hyper Core
* OE Specific mounting and direct fit
* Nocolok-R Brazing
* Precise Tube and Fin alignment
* Billet aluminum filler neck
* 1/8” NPT female accessory fitting
 
Koyorad carefully welds aluminum partitions in the upper and lower tanks of the radiator.  This is Koyorad’s N-Flo Technology which allows for a double or triple pass radiator. This design cools more efficiently by allowing the coolant to remain in the radiator for a longer period of time therefore transfering more heat to the surrounding air.  N-Flo Technology is available on cars that are known to have limited airflow to the radiator

Note: Re-use OEM Radiator Brackets  

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Price: $505.20
Sale Price $399.00 		Quantity
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