2017–2021 Honda Civic FK8 Helix Air Oil Separator Thermostats

2017–2021 Honda Civic FK8 Helix Air Oil Separator ThermostatsFITS: 10th Gen Honda Civic Type R Modern turbocharged engines recirculate crankcase blowby gases back into the intake tract through the factory PCV system. While effective for emissions control, these gases also carry oil vapor, fuel, and moisture that can accumulate in the intake manifold over time. These contaminants contribute to carbon buildup on intake valves, reduce effective fuel octane, and increase the likelihood of detonation. The PRL Helix

Forged in-house to eliminate defects

5" Flange Collector

All components are 304 stainless steel and fully back-purged on site to withstand high exhaust gas temperatures

It can handle much higher temperatures and resists corrosion well because it contains nickel

RECOMMENDED (and available on our website):

and WRC further enhanced the exceptional performance of this brake kit

we have incorporated the secondary air duct from the roto-molded version to eliminate airflow restrictions

Adjuster Type    DSC - Dual Speed Compression

The beauty of the ACUITY Fully Adjustable Performance Shifter is due in part to the careful attention to detail and rigorous testing that went into its nearly 2-year design process

the Hybrid Racing Short Shifter brings race-ready precision to your daily driver

91 or higher octane recommended

using existing factory mounting points