ATK High Performance GM 350 Vortec Bare Blocks

ATK High Performance Engines offers GM 350 Vortec bare blocks with the following specifications:

* Block: 100 percent new bare block with one-piece rear main seal
* Bore: 4.000 in. (4.0003-4.0008 in. -- Pistons size vary, final honing may be required)
* Maximum bore: 4.060 in. recommended
* Displacement: 350 cu. in.
* Main journal type: Chevy 350
* Engine block material: Premium iron alloy
* Engine block style: Aftermarket, based off the Vortec 350 roller block
* Engine block deck height: Standard deck
* Engine oiling system: Priority main
* Fuel pump boss: Yes
* Main bolt style: 4-bolt
* Main caps included: Yes
* Main cap material: Cast iron
* Main cap fasteners included: Yes
* Main bearings included: No
* Camshaft bearings: Dura-Bond, installed and clocked to OEM position
* Freeze plugs: Brass, installed and sealed
* Oil galley plugs: Installed and sealed
* Roller camshaft compatible: Yes
* Stroker clearanced: Yes, but the assembler must always check, as components differ


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