Allstar Performance Extended Length Upper Spring Cup 29063P Adapter may also be mounted

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

Quick Release Fastener

designed for applications producing up to 1000 HPTo us

From street stock to super late model

Allstar Performance Extended Length Upper Spring Cup 29063P Adapter may also be mountedCommonly 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