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2011-2014 Subaru Impreza WRX STI Limited 2010 Subaru Impreza WRX STI Special Edition 2015-2020 Subaru WRX STI Base 2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Limited 2016 Subaru WRX STI Series
Includes two catch cans and mounting bracket
each Spring Base is then individually inspected to ensure proper dimensions and that it's free from machining defects
Its unique adjustment design permits on-car adjustment of ±3
Skunk2 Tuner Series Honda/Acura (H22A/F20B) DOHC VTEC Alpha Valve Spring Set (Dual Springs) Oil Squirt Blockoff Plugs 2011-2014 Subaru Impreza WRX STIManufactured exclusively from super clean, chrome silicone wire milled in Japan, Skunk2's Alpha Valve Springs for Honda's D series VTEC engines are a product of the company's years of racing and engine building experiences. Alpha Valve Springs are able to prevent valve float and maintain valvetrain stability at engine speeds in excess of 10,000 rpm. Skunk2 designs, develops, and tests its entire valvetrain lineup in house to ensure superior quality
