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66-80 327/350 Exhaust Manifold Locks (Steel)
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Original style 1966-1980 327/350 Corvette exhaust manifold locks - thin steel retainers are used to "lock" the exhaust manifold bolts to keep them from backing off. Tabs are folded over to prevent bolt from turning. Located on the front and rear bolt positions when installed. Plain steel. Car set of 4 retainers.

Availble in both stainless steel or plain steel. Stainless steel retainers will prevent rusting and maintain nice looks for an extended time, plain steel retainers are magnetic and used to maintain originality when judging purposes.

This item is proudly Made in the USA

Model Years

More Information
Generation C2, C3
Model Year 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980
Additional Item Information
  • WARNING: This product can expose you to a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
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