Chevrolet Performance BBC Mark IV Iron Block 4.470 Bore / 9.8 Deck, This 502 GM Performance Iron Block is perfect for any hot rod, drag car or boat build with a max bore of 4.600 and max stroke of 4.250 making a 565 cubic inch big block chevy theres plenty of room to take this block.
- GM Performance Mark IV/ GEN VI Iron Block
- Bare Block
- 4.470 Bore
- 4.466 Bore As Shipped
- 9.8 Deck Height (Short Deck)
- 4.250 Maximum Stroke
- 4 Bolt Mains
- 1 Piece Rear Seal
- 502-565 Cubic Inch
- Weighs 269 Pounds
- Each