Engine Blocks & Parts

Engine Block, Cast Iron, 4-Bolt Mains, 4.090 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31612211

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Block, Cast Iron, 4-Bolt Mains, 3.927 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31612111

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19170538

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Engine Blocks, Bare, 7.3L Godzilla, OEM Engine Block Style, Cast Iron, 4.220 in. Cylinder Bore Diameter, Ford 7X V8 Main Journal Type, Ford, Each

Part Number: FMS-M-6010-SD73

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Freight Charge

Engine Block, Cast Iron, 4-Bolt Mains, 4 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: DRT-31161111

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

Engine Block, Bowtie, Cast Iron, 4.494 in. Bore, 9.800 in. Deck, Chevy, Big Block Gen V, Each

Part Number: NAL-19212191

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jul 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Summit, Big Block Chevrolet, Bare, Cast Iron, 4-bolt Main Bolt Style, 9.800 in. Standard Deck, 4.600 in. Bore, Each

Part Number: SUM-150211

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engines, Bare Blocks, 351 Aluminum Windsor Engine Block, 351 Windsor Mains, 9.200 in. Deck Height, 4-bolt Main, Ford, V8, Small Block Windsor, Each

Part Number: FMS-M6010Z35192

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: WRL-084130

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Bare, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 2-Piece Rear Main Seal, 10.200 in. Tall Deck, Chevy, Big Block, Each

Part Number: NAL-19212194

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Engine Block, Cast Iron, 4-Bolt Mains, 4.240 in. Diameter Bore, 2-Piece Rear Seal, Chevy, Big Block Mark IV

Part Number: NAL-19212197

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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: Jun 15, 2026 if ordered today

• Drop Ship
• Freight Charge
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.240 in. Diameter Bore, 2-Piece Rear Seal, Chevy, Big Block Mark IV

Part Number: NAL-19212196

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Plug Fittings, Rear Block Plug, Bolt-on, Steel Plug, Zinc Finish, Bracket, O-ring Seal, Internal Allen Retaining Bolt, Ford, 7.3L, Godzilla, Kit

Part Number: HLY-97-426

Not Yet Reviewed

Estimated Ship Date: Today

Engine Block, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, Big Block, Each

Part Number: NAL-19212192

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Bore, 1-Piece Rear Seal, Non-VVT, Dodge, RAM, Hemi, Gen III, Each

Part Number: DRT-31622111

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each

Part Number: EDL-54903U

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Block, Cast Iron, 2-Bolt Mains, 3.927 in. Bore, Clearanced, 1-Piece Rear Seal, Dodge, RAM, Hemi, Gen III, Each

Part Number: SUM-150160

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Bare Blocks, Mopar Gen II Hemi Engine Block, Cast Iron, Aftermarket, Standard Deck, 4.245 in. Cylinder Bore, Chrysler, Dodge, Plymouth, 426 Hemi, Each

Part Number: CPI-P5160210AA

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Block, Iron Eagle, Cast Iron, 3.386 in. Bore, 4-Bolt Main, Machined for 1/2 in. Studs, 2JZ, Toyota, Each

Part Number: DRT-31011011

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091102

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 3.990 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Part Number: WRL-087150

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Engine Block, Cast Iron, Nodular Iron 4-Bolt Mains, 4.500 in. Bore, 1-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.245 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091100

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order