My "Hencho in Mehico" Superstock springs 456/457 flattened out and have a reverse arch in the rear after only 1 season of use (abuse). The car has probably dropped 3" in ride height.
They worked fine for a best of 1.54 60 ft. earlier in the season then became junk.
Now they wrap in an S shape so bad it killed the rear u-joint at the end of the season.
Cal-Trac bars and mono's comin' up...
I should really know by now to NEVER buy anything with the MP label..
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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