THIS IS A BOOSTPOWER USA PARTIAL 454 CUBIC INCH MARINE SMALL BLOCK-SHORT BLOCK ASSEMBLY. IT IS BASED ON A MERLIN MOTOWN CAST IRON MACHINED ENGINE BLOCK. IT IS FURTHER EQUIPPED WITH A CUSTOM 4340 FORGED STEEL CRANKSHAFT, H-BEAM STEEL RODS, & JE CUSTOM PISTONS. THIS SHORT BLOCK ASSEMBLY IS BALANCED AND READY TO FINAL ASSEMBLE. THESE SHORT BLOCKS ARE COMMONLY 9:7.1 STATIC COMPRESSION RATIO WHEN USED WITH A 74cc COMBUSTION CHAMBER. THESE SHORT BLOCKS ARE AVAILABLE IN LIMITED COMPRESSION. JUST SIMPLY CALL 805-376-6077 AND ASK A BOOSTPOWER PROFESSIONAL TO QUOTE YOU A SHORT BLOCK TAILORED TO YOUR NEEDS. *ENGINES ARE AVAILABLE DIS-ASSEMBLED FOR A LESSER PRICE! *ENGINE PAINT, PULLEY STYLE, MOTOR MOUNT AND EXHAUST! CONFIGURATIONS MAY CHANGE THE PRICE. CALL FOR QUOTE! *SHORT BLOCKS SHOWN MAY NOT REFLECT LISTED PRICE *PRICES SUBJECT TO CHANGE WITHOUT NOTICE-ASK FOR SPECIALS! *LOCAL TAX MAY APPLY TO ORDER CALL 805-376-6077. TO VIEW MORE PICS OF THESE COMBO’S GOTO THE ENGINE PICTURE GALLERY.