
WHO: Mackin Industries WHAT: ARC water pump pulley WHIPS: 240SX, 350Z, RX-8, Skyline WALLET: $135-up WHERE: www.mackinindustries.com; 562.946.6820 The water pump pulley kit from ARC improves pumping characteristics of the stock water pump, allowing for an increased volume of flow throughout the cooling system. | 
WHO: Design Engineering WHAT: Radiator Relief WHIPS: Yours WALLET: $17 WHERE: www.designengineering.com; 800.264.9472 Radiator Relief from Design Engineering allows radiators to transfer heat more efficiently, reducing operating temperatures up to 30 degrees F as well as engine warm-up time. |

WHO: Hy-Per Lube WHAT: Super Coolant WHIPS: Yours WALLET: $9 WHERE: www.hyperlube.com; 888.275.0015 Hy-per Lube Super Coolant lowers the surface tension of the coolant, allowing it to deeply penetrate the metal surfaces at vital heat transfer areas. This reduces operating temps by 6-8 degrees in 50/50 glycol water systems and up to 20 degrees in water-only applications. | 
WHO: Buddy Club USA WHAT: Racing Spec fan switch WHIPS: Honda WALLET: $45 WHERE: www.buddyclub.us; 909.923.9188 Buddy Club's Racing Spec plug-and-play fan switch activates your cooling fan at 80 degrees C instead of the stock 93 degrees for better cooling and efficiency. |

WHO: Earl's Performance Products WHAT: Oil thermostat WHIPS: Yours WALLET: $90-up WHERE: www.earlsplumbing.com; 310.609.1602 Made for racers, dyno testing, or cold environments, Earl's oil thermostat controls flow, allowing the oil to warm up to 160 degrees F before opening. The thermostat also has three sensor ports allowing for multiple oil monitoring outputs. | 
WHO: Red Line Oil WHAT: Water Wetter WHIPS: Yours WALLET: $9 WHERE: www.redlineoil.com; 800.624.7598 Red Line Oil's Water Wetter Supercoolant is a unique liquid product that provides rust and corrosion protection in plain water for racing or street engines and promotes better heat transfer properties (as much as 20 degrees F ) than glycol-based antifreeze. |

WHO: Cosworth WHAT: Performance Engineered Coolant WHIPS: Yours WALLET: $10 WHERE: www.liquidcosworth.com; 800.355.5880 Cosworth Performance Engineered Coolant provides corrosion protection and extends water pump life, does not form a heat barrier like traditional coolants, and maximizes pure water to bare metal heat transfer. | 
WHO: HKS WHAT: Fan Controller WHIPS: Yours WALLET: $205 WHERE: www.hksusa.com; 310.491.3300 The HKS Fan Controller has been developed to activate factory or aftermarket electronic cooling fans at user-preset temperature levels. It also features real-time water temperature monitoring (Celsius or Fahrenheit), peak hold, and temperature warning. |

WHO: Superior Nissan Motorsports WHAT: Nismo thermostat WHIPS: 240SX, 300Z,Maxima, Altima, Sentra, NX2000, 200SX WALLET: $51-up WHERE: www.superiornissanmotorsports.com; 626.965.5060 The low temperature Nismo thermostat opens at 62 degrees C, versus OEM units that open at 76.5 degrees C. Allowing coolant to circulate sooner than the stock unit allows results in greater efficiency and prevents problems caused by overheating. | |