19170540 Big Block Chevy 502 Bare, Gen VI

This Gen VI cast iron block is a strong foundation for a big-block engine project. The "short-deck" block was designed to meet the needs of a powerful and dependable 500cid engine for street or boat usage.
The block's cylinder walls are "siamesed" and are bored to 4.47". The deck surfaces are reinforced to improve the head gasket sealing. Four-bolt main bearing caps are installed to reinforce cylinder barrels and add strength to the bottom end.

Technical Notes: The distance from the crankshaft centerline to the deck surfaces is 9.80". It is used on 502 engines assembly, and partial engine. and can use roller tappet or stndard tappet. Casting P/N 10237300. Maximum over bore is 4.500".