have a pretty much complete 454 engine this was always a spare on the shelf just incase . its a 454 w steel crank .030 over w srp forged pistons 9.3 comp 7/16 rods fully balanced sq port heads crane gold race rockers .270 h comp cam .air gap intake. new 850 speed demon carb w line kit thunderbolt 4 ignition water bypass kit 8 qt pan motor motor mounts air cleaner and wiring harness .i have used this in my 38 fastek next to a hp 500 and noticed no diff it makes good power .it dont have a lot of time on it as it was always a spare .boat recently sold . i will post pics tomorrow $3.500

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sold