Believe the last part is 333-M . Someone said it's a Siamese block.Mopar Performance block? Think your missing/can't see one number should be 7 digits.
Are those good blocksMega Block![]()
Oh yeah, highly sought after just like mine that was drilled for wedge heads. Remanufactured from 1996-2006. better than the original hemi blocks and head and shoulders above the wedge blocks, weighs 80lbs more than a 1970 440 block. if u open it up u will see the differances.Are those good blocks