Suspension Bumpers Back to Chevrolet Index   Suspension Bumpers 1934-38, w/ strt. axle rebound bump. XB20 $9.50 ea. 1939-41, w/ coil springs bumper for lower arm, attaches to cross member XB20 $9.50 ea. 1939-54, upper arm bumper, attaches to cross member 3687670 $14.95 ea. 1941-54, bumper for lower arm, attaches to lower arm M-646 $21.50 ea. 1955-57, upper bumper XB23 $14.95 ea. 1955-57, lower bumper XB19 $21.50 ea. 1958-70, upper bumper XB20 $9.50 ea. 1958-64, lower bumper XB21 $18.50 ea.