The First 1967 383 A-Body, 'Barracuda or Mr. Norms's Dart'

73AbodEE said

true fact : Chrysler Corporation called it a SURE GRIP ... Chevrolet/GM called it a POSI-TRAC . :banghead:

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Since we're gettin' nitt picky here, somebody mentioned valve covers earlier.

I don't have any idea why you would cover your valves. But rockerarms need covers.:D