Seller notes

1969-70-71-72 Oldsmobile, 442, W-30, cutlass, W-31 rallye 350, hurst olds ,88, 98- 350- 455 exhaust manifold locks & bolts and washers.These go on the exhaust manifold bolts and once you tighten the bolts you bend the tab over the bolt ,so the bolts don't loosen up. This set also comes with the correct bolts and the correct washers ( the thick ones) the bolts have the correct head markings on them an f with three dashes. these bolts are heat treated and hardened. these are not generic bolts...

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