Engine Block, Cast Iron, 4-Bolt Mains, 4.245 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Main Journal Type: 454 mains
Engine Block Style: Aftermarket/OEM short deck
Deck Height (in.): 9.800 in.
Cylinder Bore as Shipped: 4.245 in.
Cylinder Bore Diameter: 4.250 in.
Maximum Bore Diameter (in.): 4.625 in.
Engine Block Material: Cast iron
Engine Block Weight (lbs): 270 lbs.
Main Bolt Style: 4-bolt
Main Caps Included: Yes
Main Cap Material: Billet steel
Main Cap Fasteners Included: Yes
Main Bearings Included: No
Rear Main Seal Style: 2-piece
Finished Cylinder Bores: No
Raised Cam Location: No
Cam Bearings Included: No
Freeze Plugs Included: No
Quantity: Sold individually.
Notes: Block machined for 4.375 in. steel rod stroke clearance. Expanded water jackets for better cooling. Main, Cam and Lifters Finished to GM tolerances. Clearances need to be checked before assembly. Siamese Cylinder Bore. Requires + .300 in. tall lifter. ARP Main Cap Fasteners Included.