GM Performance GM19170540 Chev Big Block 502 C.I.D. Bare Engine Block 4-Bolt Mains 4.470" Diameter Bore 1-Piece Rear Main Seal

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GM Performance

GM19170540
$5,325.15 AUD
$5,325.15 AUD
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GM Performance GM19170540 Chev Big Block 502 C.I.D. Bare Engine Block 4-Bolt Mains 4.470" Diameter Bore 1-Piece Rear Main Seal

Item Description

Direct from Chevrolet Performance are these 502 c.i.d. bare engine blocks. These Gen VI cast iron blocks are a strong foundation for any big-block engine project. These "short-deck" blocks were designed to meet the needs of powerful and dependable 500 c.i.d. street or boat engines. The block cylinder walls are "Siamesed" and are bored to 4.47 in. 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. The distance from the crankshaft centerline to the deck surfaces is 9.80 in. They are used on 502 engine assemblies and partial engines, and can use roller or standard tappet camshafts.



  • Main Journal Type:Chevy 454
  • Engine Block Material:Cast iron
  • Engine Block Style:Aftermarket
  • Engine Block Deck Height:Standard deck
  • Deck Height (in.):9.800 in.
  • Cylinder Bore as Shipped:4.470 in.
  • Cylinder Bore Diameter:4.500 in.
  • Maximum Bore Diameter (in.):4.600 in.
  • Engine Block Weight (lbs.):269 lbs.
  • 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:No
  • Raised Cam Location:No
  • Cam Bearings Included:No
  • Freeze Plugs Included:Yes
  • Quantity:Sold individually.
  • Notes:Works with Mark IV and Gen VI, can be drilled for 10 bolt front cover.

Manufacturer Information

  • Manufacturer: GM Performance
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