Had the same problem with mine. I went to Orielys and they let in the back and measured a some until I found some for a Jeep that were about a half inch longer than the stock ones. Cost like 1.99 each.
76 318 la stock bore. magnum heads (cleaned up casting and ports) comp 260h. 600eddy. Cheap airgap. Weiand la covers - (no leaks) running good now found out what the random lifter noise was with the magnum head swap. Need headers and exhaust done now
76 318 la stock bore. magnum heads (cleaned up casting and ports) comp 260h. 600eddy. Cheap airgap. Weiand la covers - (no leaks) running good now found out what the random lifter noise was with the magnum head swap. Need headers and exhaust done now