GM Performance GM19170538 Chev Big Block 454 C.I.D. Bare Engine Blocks 4-Bolt Mains 4.250" Diameter Bore 1-Piece Rear Main Seal

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GM Performance

GM19170538
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$5,441.01 AUD
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GM Performance GM19170538 Chev Big Block 454 C.I.D. Bare Engine Blocks 4-Bolt Mains 4.250" Diameter Bore 1-Piece Rear Main Seal

Item Description

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.



  • 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 in.
  • 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.

Manufacturer Information

  • Manufacturer: GM Performance
  • Manufacturer Part Number:
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