Ford, Truck, Bottom Side Rail, (T691) 37 7/8 length, Small Flange 6 x 6 1/8, Large Flange 10 3/8 x 6 1/8, Small flange has 13 bolt holes 3 holes tapped for 5/16 NC and 10 drilled for 5/16 bolts, Large flange has 15 bolts holes 5 tapped for 5/16 NC and 10 drilled for 5/16 bolts, 2 Mounting studs 30 1/2 on center, Pairs with 600198 (T692) OEM Numbers: T692 Category: Truck Model: Truck Weight: 150 Height: 45 Width: 40 Thickness: 15
Ford, Truck, Bottom Side Rail, (T691) 37 7/8 length, Small Flange 6 x 6 1/8, Large Flange 10 3/8 x 6 1/8, Small flange has 13 bolt holes 3 holes tapped for 5/16 NC and 10 drilled for 5/16 bolts, Large flange has 15 bolts holes 5 tapped for 5/16 NC and 10 drilled for 5/16 bolts, 2 Mounting studs 30 1/2 on center, Pairs with 600198 (T692) OEM Numbers: T692 Category: Truck Model: Truck Weight: 150 Height: 45 Width: 40 Thickness: 15