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Chromoly Front Axle, 4130N
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C42-448
36 in. Wide, 6 in. Drop, 6 in. Flat, Stiletto Bosses
1-1/2 in. Outside Diameter, 0.120 in. wall 4130 Chromoly Tubing
C42-447
39 in. Wide, 6 in. Drop, 6 in. Flat, Stiletto Bosses
1-1/2 in. Outside Diameter, 0.120 in. wall 4130 Chromoly Tubing
C42-449
40 in. Wide, 40 in. Flat, Stiletto Bosses
1-5/8 in. Outside Diameter, 0.120 in. wall 4130 Chromoly Tubing
C42-438
36 in. Wide, 6 in. Drop, 6 in. Flat, SPE Bosses
1-1/2 in. Outside Diameter, 0.120 in. wall 4130 Chromoly Tubing
C42-437
39 in. Wide, 6 in. Drop, 6 in. Flat, SPE Bosses
1-1/2 in. Outside Diameter, 0.120 in. wall 4130 Chromoly Tubing
C42-439
40 in. Wide, 40 in. Flat, SPE Bosses
1-5/8 in. Outside Diameter, 0.120 in. wall 4130 Chromoly Tubing

Precision-machined chromoly axle is TIG welded and spindle bosses are mounted at an 8 degree angle to accommodate spindles. Width dimension is measured from center of tire to center of tire. Drop dimension is measured from bottom of axle to centerline of spindle. Stiletto bosses measure 2" tall and SPE bosses are 1.875" tall.