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Increases cooling stack efficiency
8K Front spring rate - Swift springs
Ideal for both aluminum heads to cast iron blocks and aluminum heads to aluminum blocks
Promotes faster revs and engine response
Cusco Rear Differential Mount Collar - Subaru WRX/STI 2008-2021 Subaru-Outback-2007 Increases cooling stack efficiencyWith reducing declination of rear differential mount bush, it will improve response of up shifting and acceleration performance. CUSCO added product on its line up for latest model of Subaru Impreza WRX STI. As motorsports expert, during products developing for GRB Impreza, CUSCO has found that the rear member collar and differential mount collars would give you massive effect and decided to add them on production line up. With this part, you can feel
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