ACUITY 1-Way Adjustable Performance Shifter for the 8th Gen Civic30% 45% reduction in gear throw depending on height adjustment. 20% 35% reduction in gate spacing depending on height adjustment.* Shift knob height is adjustable within a 30mm (1. 2") range Centering is decisive, snappy, and quiet, thanks to a 100% increase in spring force over stock and padded spring legs. Precision, self lubricating joints for consistent, quiet operation and stiff, all metal frame for reduced compliance and improved shift accuracy