Blox-Racing-High Compression 28mm Exhaust Valves 2016-2020-Honda-Civic To get the most out

To get the most out of a spoiler or wing

Spacers are straightforward to install and add a notable increase in power

you can accurately dial in the amount of fuel your engine gets to ensure maximum performance

Internal Design:  Twin-tube

Single canister design

Blox-Racing-High Compression 28mm Exhaust Valves 2016-2020-Honda-Civic To get the most outBLOX Racing high compression standard size valves are forged from EV8 stainless steel. Each valve then undergoes a heat treatment process to increase strength then coated using black nitride to provide superior wear resistance and minimize power robbing friction. Black nitride provides the valve head with superior protection against wear and corrosion and greatly reduces the amount of friction between the valve stem and guide. The less friction