Hybrid Racing K-Series Throttle Body Adapter 2017-2018-Honda-Civic-Si and a primary oxygen sensor

and a primary oxygen sensor relay

especially in high-performance applications where maintaining optimal temperatures is crucial for engine performance and longevity

140mm - Medium Rod fits the 17-20 Honda Civic Short Shifter

AEM's Honda/Acura Adjustable Fuel Pressure Regulators are capable of supporting enough fuel flow for engines up to 1000 horsepower

your EM1 or DC Integra strut bar stops the front end from deflecting and lets the suspension actually do its job

Hybrid Racing K-Series Throttle Body Adapter 2017-2018-Honda-Civic-Si and a primary oxygen sensorThe RBC manifold provides a significant performance improvement over the stock PRB and PRC (K20A2 Type S and K20A Type R) intake manifolds. To complete the intake manifold conversion, you need to couple the throttle body to the manifold an adapter directly bolts a 2002 2006 RSX S ITR or 2002 2005 Civic Si CTR throttle body to an Accord Euro R, 2006 2008 Civic Si, or 2004 2005 TSX intake manifold. The adapter kit includes all mounting hardware required