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Speedmasterª & FAST line of EFI systems are all you need when deciding to upgrade your engine to modern electronic fuel injection
the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range
measuring 102mm
it has a square bore carb flange instead of a spread bore
Chevy 400 1955-79 Full Gasket Set w/MLS Head Gaskets Speedmasterª & FAST line ofThese Speedmaster gasket kit sets include premium quality head gaskets, intake gaskets, exhaust gaskets, valve cover gaskets, oil pan gaskets, valve stem seals, and all accessory gaskets everything for a complete engine rebuild. If it has to seal right the first time Speedmaster has what you need. Complete kit with Multi Layer Steel (MLS) Head Gaskets.
