Stock replacement swing axle spring plates 24-11/16 inches . Sold in pairs. Requires 1 3/4 inches i.D. Inner bushings & 1 7/8 inches i.D. Outer bushings. SOLD IN PAIRS. Spring plate lengths are determined by the length of the torsion bar that they are attaching to. If you look at the torsion housing and the cap at the end is solid then you need 21-3/4. If the cap has a hole in the middle with a stub protruding you will want to measure the bar Transmission Style: Swing Axle Torsion Bar Length: 24-11/16 inches Quantity: 2 PiecesSwing Axle Spring Plates for 24-11/16 Torsion Bar