4P Purple K-Series Ferrea Roller Rocker Arms Stroker Kit and assembled with Ferrea Competition

and assembled with Ferrea Competition Plus valves and Ferrea PAC HD valve springs

We recommend the higher spring pressure option for turbo or all motor

All new Honda timing components and hardware

Street use and daily driving

90mm Bore is 15:1

4P Purple K-Series Ferrea Roller Rocker Arms Stroker Kit and assembled with Ferrea CompetitionFerrea Roller Rocker arms not only reduce friction and valvetrain weight, they allow you to run a more aggressive camshafts. These rockers are 50% less mass than a an OEM steel Honda rocker arm. These rockers eliminate VTEC and allow you to run an aggressive "VTEC Killer" camshaft, and you also can run a 3 lobe traditional camshaft, but it will only use the center VTEC cam lobe. The weight savings will show up in increased horsepower at high rpm and