Blow Off Valve Upgrade Kit RX7 FD Porting For street and light track

For street and light track duty please see our "Street Challenge kit"

gasoline in extreme high horsepower applications

The oil pan is constructed of stamped steel that is far too thin

Made in the USA

Blow Off Valve Upgrade Kit RX7 FD Porting For street and light trackThe Pettit Racing Blow Off Valve Upgrade Kit is one of our top selling upgrades for the twin turbo RX7 FD. The 1" ports are twice the size of the stock valve which It's a direct bolt on replacement, and installs in under 30 minutes. Most original plastic valves are really old and typically no longer work properly, over time heat cycles and normal use cause the diaphragm to harden, which impairs both valve operation and response time. Our upgraded Blow