Allstar Performance Steel Shock Extension 7/16"-20 x 1" Fox 57950BK Square-shaped body measures 9-1/2" x

Square-shaped body measures 9-1/2" x 9-1/2" x 23" tall

Aluminum adapter converts existing coil-over kit from a 2-1/2" spring to a 5" spring

1964-1966 GMC Suburban

1975-1993 Chevrolet Caprice

Allstar Performance Steel Shock Extension 7/16"-20 x 1" Fox 57950BK Square-shaped body measures 9-1/2" xSteel extensions fasten directly to shock shaft for added suspension travel. Sold each. 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 Allstar Performance. Product Description: Shock Extension 1 in