Hello, I got an FE age unknown. The heads are COAE-6090-D. Block has 352 on frt. an A11 on the oil filter boss,along with E1. No other info! The Boer is 4.132 with pistons flycut valve reliefs. The cam has 17 stamped on end with SF 63 with EDEL 2106 on the rear face of boss. What is this thingy????