1963 - 1991 GMC & Chevy B, C, M And S Series Front Leaf Spring 22-338

*Diagram Spring May Differ From Actual Spring* Number of Leaves - 7 (5/2) Leaf Spring Width - 3" A - Leaf Spring Length: 22-1/2' B - Leaf Spring Length: 34-3/8" C - Leaf Spring Arch: 5" D - Leaf Spring Pack Thickness: 3-1/16" Leaf Spring Capacity: 4,200 lbs. Leaf Spring OEM Number: 3891345 Leaf Spring Eye Bushings: Front RB-73 / Rear HK-1, HK-2 Leaf Spring Material: 2/.401, 3/.447, Second Stage 2/.447 Location - Front Verify the OEM part number and measurements to confirm compatibility before purchasing. Need help? Visit: How to Identify a Leaf Spring.   Leaf spring 22-338 is front spring on 1963 - 1991 GMC and Chevy Kodiak, Topkick, C40, C50, C60, C70, M50, M65, S40, S50, S60, S65, and B60 school buses. The springs are 3" wide, 7 (5/2) leaf springs and 4,200 lb. capacity. The OEM part number is 3891345.