Take a 2x2, cut it to the length you want the rails. Set it on a couple of jack stands along side your rig. Measure back from the 2x2 to the frame in 2 or 3 locations. Deduct 1/4" for the mounting plates and mark on the 2x2 where you took those dimensions. Measure where you want the 1x1 that will attach to the pinch weld. Mirror those dimensions for the other side and there you have it. That's how I made mine.
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Blood Clot Red 03 Punisher Edition245/75-16 Duratracs, Soft 8's, Ironman/clevis Lift, Monroe Sensa-trac rear shocks, JBA 3.5, GTP Hood Louvers, Roof Basket & Light bar,
Mudd's Garage Rear Bumpercustom made items: cross rails, grill inserts, cargo shelf, lightbar, pin stripping & rock rails.
L.O.S.T. #DW090501