Supertech Honda F22A 16V Single Valve Spring Kit turn14-product-not-found-review They work to collect oil

They work to collect oil and moisture passing through your vacuum system and to prevent it from entering back into your intake where it would collect on the back of the intake valves and gunk up the inside of your engine

BORLA® System Contains Functioning Exhaust Valves

400lph Inline High Flow Fuel Pump

Optional non-resonated performance mid-pipes available separately

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Supertech Honda F22A 16V Single Valve Spring Kit turn14-product-not-found-review They work to collect oilManufacturer Part # : SPRK F22AB Product Description Short Supertech Honda F22A 16V Single Valve Spring Kit