Ferrea Valve Spring and Titanium Retainer Kits (B-Series VTEC) Select Kit:KT4027 This is not for stock

This is not for stock stroke K20 engines

Extreme Race One-Piece Chain Guides

Honda Civic Type-R Breakout Loom

Not only is the 4P K20C the only 4 cylinder direct injected engine to ever make 1000hp without another fuel source

Ferrea Valve Spring and Titanium Retainer Kits (B-Series VTEC) Select Kit:KT4027 This is not for stockThere are many Ferrea springs available for B Series. We only list the ones that we will use in our own engines for the applications that you all are using your engines in. Regardless of their descriptions, we highly recommend the S10086 spring (Kit 4036) for any all motor street or turbo application. They can be used for high hp turbo applications in the 1000hp range, and up to 10,000 rpm. If you require a heavier duty spring for more power and RPM