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#1
09-10-2025, 02:46 PM
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840 Big block Heads
TWO sets of 840 rec port heads, non painted set has been, magged,pressure checked,new guides, hardened seats, ferrea 6000 valves, cleaned up with flow numbers. 2.19/1.88
Orange set has some clean up work 2.25/1.88 in good shape comes with springs. Date codes are -J 24 67 - J 25 67 - A 10 68 -K 2 67 Have receipts for all the work done. LOOKING to sell or trade for a set of afr 3630s or trick flow 280s loaded. 3000 obo. Just looking to cover the cost of the new heads Last edited by 69W314spd; 09-11-2025 at 02:37 PM. 
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