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350z Z33 370z Z34 Z1 Motorsports High Capacity Differential Cover Kit
Z1 High Capacity Differential Cover for your Nissan 350Z, 370Z, Infiniti G35 or G37 / Q60.
Excess heat inside the differential case can lead to premature failure of every component, especially the factory viscous differential which also becomes less effective at higher temperatures.
Not only does the heat damage the internal components including bearings and seals, but often times we have found the factory and aftermarket differential bushings melted. The best way to combat high temperatures inside the differential is to transfer the heat outside. This finned differential cover acts as a heat sink which allows the heat that builds up in the fluid to be transferred into the cast aluminum cover where the heat can be released through the integrated fins into the cooler ambient air rushing over them.
Another good way to fight higher temperatures is to increase the amount of fluid. This cover increases fluid capacity by .5L. The additional fluid helps keep temperatures down by increasing the amount of time it takes for temperatures to rise, lessening the likelihood of overheating your differential.
Overall keeping the fluid cool will help your differential function properly meaning more power transfer to the rear wheels.
With racing in mind, we added extra support to the rear mounting stud with additional gusseting and more material surrounding the stud itself. We also added an extra port to this cover to accommodate a differential cooler assembly and a pre located position for a temperature sensor to control your cooler's fans. (For those that are not using a cooler we include the additional plug and sealing washer for this port.)
Z1 Aluminum Differential Covers are sealed to porosity just like OEM covers to prevent fluid from seeping through the casting.
Kit Includes:
Z1 High Capacity Differential Cover
Vent Tube
Mounting Stud
Cooler Return Port Plug (Re-use your existing drain and fill plugs)
3 Drain / Fill Plug Sealing Washers
1 Tube of Ultra Grey RTV
Fits:
2003-2008 Nissan 350Z
2003-2008 Infiniti G35
2009-2020 Nissan 370Z
2008-2013 Infiniti G37
2014-2015 Infiniti Q60 Coupe
2014-2015 Infiniti Q40 Sedan
2023+ Nissan Z
Sport models ONLY!
Please Note: This Upgraded Differential Cover cannot be used on models equipped with 4 Wheel Steering.
Shown below being installed with Tomei's Tech Trax Limited Slip Differential.
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