Allstar Performance Steel Oval Allen Head Fasteners - 7/16 " x .500" - (50 Pack) 919105 The thread connection is 1/2

The thread connection is 1/2 in

If yours is built using a 68-72 Chevelle clip

Needle and seat nuts and screws

1959-1975 Chevrolet El Camino

Allstar Performance Steel Oval Allen Head Fasteners - 7/16 " x .500" - (50 Pack) 919105 The thread connection is 1/2Steel Oval Allen Hd Fasteners 7 16"x. 500" Long Steel Silver 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: Quick Turn Fastener Oval Head Hex Drive 7 16 x