Cast Iron 350 Engine Block, 4-Bolt Mains, 383 Clearanced, 1-Piece Rear Main Suit Small Block Chev

For a great starting point to build your own hot rod 383 engine, these Chevrolet Performance cast iron 4-bolt main engine blocks are just what you need. They feature a one-piece rear main seal, a 4.000 in. finished bore, an oil pan rail machined to accept a maximum crankshaft stroke of 3.800 in., and a lifter valley designed for hydraulic roller and flat tappet camshafts and lifters.

Main Journal Type:Chevy 350
Engine Block Material: Cast iron
Engine Block Style: OEM
Deck Height (in.): 9.025in.
Cylinder Bore as Shipped: 4.004 in.
Cylinder Bore Diameter: 4.000 in.
Maximum Bore Diameter (in.): 4.030 in.
Engine Block Weight (lbs.): 181 lbs.
Main Bolt Style: 4-bolt
Main Caps Included: Yes
Main Cap Material: Nodular iron
Main Cap Fasteners Included: Yes
Main Bearings Included: No
Rear Main Seal Style: 1-piece
Finished CylinderBores: Yes
Raised Cam Location: No
Cam BearingsIncluded: Yes
Freeze Plugs Included: Yes