Availability
ATK High Performance Chrysler Gen III Hemi Bare Blocks
Not Yet Reviewed
ATK 220A Engine Specs:
* Block: Machined GEN III Hemi 5.7L (2004-2008)
* Bore: 3.927 in. (Pistons size vary, final honing may be required)
* Displacement: 345 cubic inch
* Main journal type: Mopar GEN III Hemi
* Engine block material: Cast iron
* Engine block style: OEM
* Engine block deck height: Standard deck
* Main bolt style: 2-bolt
* Main caps included: Yes
* Main cap material: Powdered metal
* Main cap fasteners in
ATK 220A Engine Specs:
* Block: Machined GEN III Hemi 5.7L (2004-2008)
* Bore: 3.927 in. (Pistons size vary, final honing may be required)
* Displacement: 345 cubic inch
* Main journal type: Mopar GEN III Hemi
* Engine block material: Cast iron
* Engine block style: OEM
* Engine block deck height: Standard deck
* Main bolt style: 2-bolt
* Main caps included: Yes
* Main cap material: Powdered metal
* 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
* Camshaft bearing line boring in Standard
* Pos 1: 2.2921 in. – 2.2931 in.
* Pos 2: 2.2765 in. – 2.2775 in.
* Pos 3: 2.2607 in. – 2.2617 in.
* Pos 4: 2.2449 in. – 2.2459 in.
* Pos 5: 1.7187 in. – 1.7197 in.
* Main, line honed: 2.7522 in. - 2.7525 in.
* Cylinder honing I.D.: 3.9270 in. - 3.9278 in.
* Minimum deck height: 7.880 in. - 7.870 in.
Showing In Stock Items. Show All 1 Items.
Engines, Bare Block, Cast Iron, OEM Style, Standard Deck, 3.927 in. Bore Shipped, 2-Bolt Mains, Mopar, Gen III Hemi, Each
Part Number: HPE-220A
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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