Low Preload Centering Spring for 1981-LHD and 1981-RHD Shifters Honda Civic Si 9th Gen (2012 - 2015) resulting in lower intake air

resulting in lower intake air temperatures entering the engine

After the design phase was completed ICON engineers put these parts through the “ICON1K” real-world test cycle for a final stamp of approval

and pry tool kit

91 octane with 46% flex fuel

Low Preload Centering Spring for 1981-LHD and 1981-RHD Shifters Honda Civic Si 9th Gen (2012 - 2015) resulting in lower intake airFITS: 1981 LHD (4 Way Adjustable Performance Shifter for the LHD 11th Gen Civic and 5th Gen Integra) If youre looking for yet another way to personalize your 1981 LHD or 1981 RHD shifters for the 11th Gen Civic and 5th Gen Integra, our spring upgrades are a great way to do it. This spring has approximately 15% less centering preload than the spring our 1981 shifters are equipped with from the factory. If you find the centering force on your 1981