Allstar Performance Extended Length Upper Spring Cup 29063P Pro Stock Regulator 4-PortAeromotive Inc

Pro Stock Regulator 4-PortAeromotive Inc

Adapter may also be mounted in a window opening to funnel air directly to the driver via helmet hose

RL-70E and all Zamp helmets with front Hydration Vent

designed for applications producing up to 1000 HPTo us

Set of two

Allstar Performance Extended Length Upper Spring Cup 29063P Pro Stock Regulator 4-PortAeromotive IncCommonly used in rear suspensions, cup connects to jack bolt with a 7 16" 20 bolt to help maintain spring location. Extension sits 5" into the spring. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from