Aluminum Spoiler Support Turnbuckle Stanchion rods for use in supporting splitters, wings, car bodies and other parts. Made of billet aluminum and available in 4, 8, 10 and 12 inch lengths. The length of the stanchions can be adjusted while installed with a twist of the hex aluminum body. 180 degree swinging heads on both ends enable secure mounting in almost any position with 1/4 20 bolts. Sold Individually Spec Sheet: 4" Stanchion adjusts from a total length of 6 inches to 7 inches max 8" Stanchion adjusts from a total length of 10 inches to 11 inches max 10" Stanchion adjusts from a total length of 12 inches to 13 inches max 12" Stanchion adjusts from a total length of 14 inches to 15 inches max 180 degree swing heads on both ends 1/4 20 threaded on one end and 1/4 stud on other end Length adjustable without removing from car.Sneed4Speed