Allstar Performance Replacement Stud for Adjustable Bolt-In Large Upper GM #ALL56260/56261 YA0876 Inside dimensions are 20"L x

Inside dimensions are 20"L x 14"W x 12"H

1973-1973 Chevrolet K20 Suburban

8 AN Male to 3/8 in NPT Male

ST5 FN ZERO Carbon

Allstar Performance Replacement Stud for Adjustable Bolt-In Large Upper GM #ALL56260/56261 YA0876 Inside dimensions are 20"L xWith mono ball joints, upper control arm angles can be adjusted. Joints include plate, ball, tapered shaft, adjuster bushings, and nut. 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