Your premier source for Performance Parts & Aftermarket parts for DaimlerChrysler Cars & Trucks. We are the Original Mopar Performance Outlet established in 1972.

Engine Blocks

Engine Blocks
Item# blocks2

Product Description


Mopar Siamesed-Bore Big Blocks can be bored to the stock size of 4.25", but are specifically designed to be bored larger. Mopar recommends that you sonic check each block if you approach or exceed the 4.50" bore diameters.
$2,707.00
MOPP5153924
Mopar Siamesed-Bore Big Blocks can be bored to the stock size of 4.25", but are specifically designed to be bored larger. Mopar recommends that you sonic check each block if you approach or exceed the 4.50" bore diameters
$2,749.00
MOPP5153860
Cast Iron Wedge Blocks feature factory-size bores and maintain water flow between the cylinders (not siamesed) for improved cooling and sealing durability. These blocks are fully water-jacketed.
$2,749.00
MOPP5153944
426 Hemi® Cast Iron Street Block
(Rough Bored at 4.19")

Maintains 4.25" bore size and water flow between the cylinders for improved cooling and sealing durability. If you want to drop in a Hemi where a Big Block used to be, select the block with cast/drilled ears to accommodate the Big Block engine mounts

NOTE: These blocks are being discontinued act fast while supplies last.

IN STOCK READY TO SHIP TODAY!
Regular price: $2,999.00
Sale price: $2,895.00
MOP5007667AB
Due to limited availability on Mopar engine blocks, you must call us @ 800-843-2821 to get on order list or check stock.

Siamesed-Bore 426 Hemi® Blocks give engine builders flexibility. Blocks can be bored to the stock size of 4.25", but are specifically designed to be bored larger. Remember to sonic check each block if you approach or exceed the 4.50" bore diameters.
$2,787.00
MOP5153861
426 Hemi® Cast Iron Siamesed-Bore Block
426 Hemi® Cast Iron Siamesed-Bore Block
(4.490 Rough Bore)

Cast Iron Siamese-Bore 426 Hemi Blocks give engine builders the flexibility for a larger bore. Blocks can be bored to the stock size of 4.25", but are specifically designed to be bored larger. Mopar recommends that you sonic check each block if you plan to exceed as-shipped bore diameters.

IN STOCK READY TO SHIP TODAY!
Regular price: $2,899.00
Sale price: $2,570.00
MOPP5153861
426 Hemi Cast Iron Street Block
426 Hemi Cast Iron Street Block
Finish Bored at 4.25"

Mopar Performance Hemi blocks have undergone revised, updated tooling. They are machined to closer tolerances than ever and feature increased material in the thrust area. Features the original 4.25" bore size while maintaining water flow between the cylinders (non-Siamese) for improved cooling and sealing durability.
Regular price: $3,100.00
Sale price: $2,995.00
MOP-P5007668AB