Swap Block BBC Engine Mock Up Block | GF-EJ-BBC-DIY superchargers-and-parts 1L L6 1982 - 1984

1L L6 1982 - 1984 GMC C1500 Sierra Classic 250/4

PRA6701OM- 67 Pontiac

Gasket Emission Code 3 Filter Diameter 9" Filter Height 2 3/4" Filter Type White Paper Finish Chrome Material Stamped Steel Product Type Air Cleaner Size 9 in

as well as a natural cast finish that offers a true nostalgic look on its own

Swap Block BBC Engine Mock Up Block | GF-EJ-BBC-DIY superchargers-and-parts 1L L6 1982 - 1984Our 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