SpeedFactory 3 Port Boost Control Solenoid Kit SpeedFactory:Default Title This four-piston kit includes wrist

This four-piston kit includes wrist pins

custom builds

5mm diameter ensures proper fitment on K-series cylinder heads without modification

Manufactured from proprietary forgings

Ideal for track-focused builds seeking maximum horsepower gains and responsive throttle characteristics

SpeedFactory 3 Port Boost Control Solenoid Kit SpeedFactory:Default Title This four-piston kit includes wristThe SpeedFactory 3 Port Boost Control Solenoid Kit delivers precision boost management for turbocharged engines. This complete solenoid system regulates turbo boost pressure with three port functionality, ensuring optimal engine performance and reliability. Engineered for seamless integration with most boost control systems, it provides consistent pressure modulation across varying RPM ranges. Built with quality construction to withstand high pressure