Chev Performance Chev 454 Gen 6 , 4 Bolt 454 Bare Engine Block # 12561353
- Limited Stock
- In Stock
Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each
Main Journal Type:
Chevy 454
Engine Block Material:
Cast iron
Engine Block Style:
OEM
Engine Block Deck Height:
Standard deck
Deck Height (in.):
9.800 in.
Cylinder Bore as Shipped:
4.240 in.
Cylinder Bore Diameter:
4.250 in.
Maximum Bore Diameter (in.):
4.310
Main Bolt Style:
4-bolt
Main Caps Included:
Yes
Main Cap Material:
Cast iron
Main Cap Fasteners Included:
Yes
Main Bearings Included:
No
Rear Main Seal Style:
1-piece
Finished Cylinder Bores:
Yes
Raised Cam Location:
No
Cam Bearings Included:
Yes
Freeze Plugs Included:
Yes
Quantity:
Sold individually.
Chevrolet Performance 454 C.I.D. Bare Engine Blocks
Direct from Chevrolet Performance are these 454 c.i.d. bare engine blocks. These are special Gen. VI bare iron blocks with 4.25 in. cylinder bores with 4-bolt main bearing caps. They have machined fuel pump pads, a one-piece rear main seal design, and standard 454 deck height. The maximum cylinder bore on these blocks is 4.25 in. plus .060 in. O.S., and will require the "Gen V/GenVI" design one-piece oil pan.