 WHO: A'PEXi WHAT: GT radiator WHIPS: Mitsubishi, Nissan, Honda WALLET: $550-up WHERE: www.apexi-usa.com; 714.685.5700 A'PEXi's all-aluminum radiators are designed with the grueling conditions of the racetrack in mind and are strategically engineered to regulate water temperatures and defend against overheating. |  WHO: Flex-a-lite WHAT: Aluminum radiator WHIPS: Various applications WALLET: Call WHERE: www.flex-a-lite.com; 800.851.1510 Flex-a-lite's new cross-flow two-row radiators with patented Flex-a-fit side tank design feature fins that perform as heat sinks, absorbing and dissipating heat twice as efficiently while allowing limitless fastening points onto the tank itself. |  WHO: Koyo Cooling Systems WHAT: Aluminum Race radiator WHIPS: Various WALLET: $338-up WHERE: www.koyorad.com; 888.557.KOYO Koyo's all-aluminum Race radiators are produced to optimal dimensions for each specific make and model by fusing OE characteristics with KOYORAD technology. These radiators are made with a robust 2 1/16-inch core and are meticulously detailed from their hand-welded artistry to the polished finish. |
 WHO: Mackin Industries WHAT: ARC radiator WHIPS: 350Z, 240SX, Evo, S2000, Civic, WRX, RX-7, Supra WALLET: $1,025-up WHERE: www.mackinindustries.com; 562.946.6820 The all-aluminum radiator from ARC is thin and lightweight, increasing coolant heat diffusion in both stock and high horsepower applications. |  WHO: Fluidyne WHAT: Aluminum radiator WHIPS: 240SX WALLET: $580 WHERE: www.fluidyne.com; 909.923.9595 Fluidyne's all-aluminum direct-fit radiator replaces the stock radiator in S14 chassis 240SXs equipped with SR20 engines, and can also be adapted to fit S13 models with slight bracket modification. Applications are also available for KA24 engines as well as many others. |  WHO: Motovicity Distribution WHAT: Visteon radiators WHIPS: Yours WALLET: $395 WHERE: www.motovicity.com Designed for hardcore racing and ultimate street performance,Motovicity's Visteon radiators are engineered from racing cores and fabricated by hand; offering superior strength and premium performance. The radiators feature attached electric cooling fans, which reduce installation time and complexity for the installer. |
 WHO: Blitz Performance WHAT: LM radiator WHIPS: 240SX, 350Z, Skyline, WRX, Evo, Legacy, RX-7 WALLET: $705-up WHERE: www.blitz-performance.com; 626.839.8350 Blitz's high heat-transferring aluminum tube-fin design LM radiator boasts a larger surface area, allowing heat to dissipate more efficiently. The kit comes complete with polished end tanks, radiator cap, and a temperature sensor port. |  WHO: GReddy WHAT: Aluminum radiator WHIPS: 240SX, 350Z, Evo, WRX WALLET: $680-up WHERE: www.greddy.com; 949.588.8300 GReddy's high performance two-row aluminum radiator core keeps consistent coolant temperatures even under extreme conditions. The heavy-duty aluminum end tanks also feature a pre-drilled tapped port for installation of an aftermarket temperature probe. |  WHO: Stillen WHAT: High performance radiator WHIPS: 350Z WALLET: $653 WHERE: www.stillen.com; 714.540.5566 More effective than the OEM unit, Stillen's all-aluminum radiator is one inch thicker than stock, holds two extra quarts of coolant, and mounts directly onto the stock location. |