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H&R Springs are shot-peened to increase their life by more than 200%
more solid feeling shift and an overall more durable product
With the FL5 Intake
2002-2005 Civic Si (EP3)
- Description: 25
PRL Motorsports Helix Air Oil Separator 23+ Civic Type R FL5/ 24+ Integra DE5 Option:Silver H&R Springs are shot-peened toModern 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 Air Oil Separator is designed to
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