Allstar Performance Centerlink - 73-77 Chevelle BR20072 The spring ball on your

The spring ball on your extension holds the nut in place

GM LS-Series

and bolts to work effectively with most 3-

Convert Holley carburetors with 7/8"-20 threads

48 in Long

Allstar Performance Centerlink - 73-77 Chevelle BR20072 The spring ball on yourCenterlinks fit GM applications. Mounting hardware included. 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: Centerlink OEM Style Steel GM A Body 1973 77