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1967 Corvette 435hp 3904391 matching L71 heads


1 matching pair of 3904391 square port cylinder heads, which were used on 1967 corvettes with the 427 / 435hp engine option.   Both of these heads have the identical casting number and casting date: 3904391 and L 20 6, December 20, 1966.    There have been no alterations, modifications, or machine work done to the ports.    These are a bare pair of matching heads, and a valve job should be done prior to engine assembly.  The pictured heads dated D 3 7 have been sold, but the heads you are bidding on are dated L 20 6.   New pictures will be added as soon as possible.

     We do have other 3904391 bare heads, with various dates, depending on your needs:  I 9 6   1 pair.

  • Model: 3904391
  • Shipping Weight: 100lbs
  • 1 Units in Stock

This product was added to our catalog on Monday 01 November, 2010.

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