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Ive ran the 440 Source kit since about 2007 with no issues . Believe me , it gets beat on all summer.

I got a 440 Source kit for a 572 the pistons was OK and the Rods had to be honed to fit the pins but OK the bearing and rings was OK the crank would run but i had it rebalanced and i would buy a kit from them again i have not run it a lot but it"s OK right now but if you get a kit get it checked are you could be sorry and good luck .




I agree-- had mine all checked out by a machinist--all he had to do was hone for the pins.