SKUNK2 TITANIUM RETAINERS HONDA K-SERIESSkunk2's industry leading Titanium Retainers for Honda's K series engines are designed to significantly reduce valvetrain mass, resulting in more horsepower and improved valvetrain stability. Unlink other retainers, Skunk2 Titanium Retainers feature radius cut edges for additional rocker arm clearance and reduced weight, strategically positioned lightening grooves, and reduced overall heights for better valve seal clearance and even further weight