Swap Block BBC Engine Mock Up Block | GF-EJ-BBC-DIY fog-lights 59MM Overall Height 50

59MM Overall Height 50

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Swap Block BBC Engine Mock Up Block | GF-EJ-BBC-DIY fog-lights 59MM Overall Height 50Our patent pending tab and slot version of the mock up block provides accurate mounting positions of engine accessories and bolt ons. Precision formed returns on all weight bearing components and tight tolerance slots create a rigid and accurate representation of the GM Mark IV, V, and VI BBC engine block compared to bolt together types. Easily positioned by hand, the days of slinging an engine on a crane in and out of your build are over.? One tool