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4P Custom Exhaust Valves (8)
make the switch and let the results do the talking
*Organic/ Kevlar/ Fiber-Tough Clutch kits are expected and tend to have a higher life expectancy than OEM
Available for K20 and K24
5mm high compression
Ferrea Roller Rocker and Valve Spring Kit KT4038 - K20C1 Valve (Exhaust) 4P Custom Exhaust Valves (8)The Ferrea Roller Rocker kit will eliminate the VTEC function on your exhaust cam, and replace the OEM intake rocker with the Ferrea rocker arm. The Ferrea valve spring kit uses a high quality PAC spring Made in the USA. It increases the seat pressure and open pressure to help control valve bounce and will allow safe operation up to and beyond 9000 rpm. This is especially critical in the event of a missed gear or mechanical over rev. We recommend this
