Engine Blocks & Parts

Engine Block, Cast Iron, 4-Bolt Mains, 3.700 in. Diameter Bore, 1-Piece Rear Main Seal, Each

Part Number: FMS-M6010BOSS50

5.0 out of 5 stars ( 1 )

• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Bore, 9.200 in. Deck Height, Ford, Boss 351, Each

Part Number: FMS-6010B35192BB

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Plug and Dowel Kit, Steel, Ford, Boss Block, Kit

Part Number: FMS-M-6026-BOSS

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.120 in. Diameter Bore, 1-Piece Seal, 9.50 in. Deck, Ford, Boss 351

Part Number: FMS-M6010BS351BB

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Main Bolts, Hex Head, Stock Replacement, Ford, 7X, Kit

Part Number: FMS-M-6345-SD73

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Engine Expansion Plug, Brass, 1.625 in. O.D., Each

Part Number: NAL-94673017

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Special Order

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: Feb 23, 2026 if ordered today

• 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: Mar 3, 2026 if ordered today

• Free Shipping
• Special Order

Engine Block, Cast Iron, Nodular Iron 4-Bolt Mains, 4.560 in. Bore, 1-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: NAL-19432546

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, 350, Each

Part Number: NAL-12480049

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

• Free Shipping
• Special Order

Engine Block, Aluminum, Midget Race Car, 4.130 in. Diameter Bore, 2-Piece Rear Main Seal, Chrysler, L4, Each

Part Number: DCC-P5007466

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.117- 4.155 in. Bore, 1-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: NAL-12480175

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

• Free Shipping
• Special Order

Engine Block, Cast Iron, OEM Type Mains, 3.226 in. Bore, 7.900 in. Deck Height, Ford, Lotus 1.6L, Each

Part Number: FMS-M-6010-16L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 26, 2025 if ordered today

• Freight Charge
• Special Order

Cylinder Bore Sleeve, Ford, 351W Aluminum Block, Set of 8

Part Number: FMS-M-6012-C351

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Block, Boss 302, 8.200 in. Deck, 4.115 in. Rough Bore, Each

Part Number: FMS-M6010B302BB

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Seal, 9.21 in. Deck, Ford, Boss 351

Part Number: FMS-M6010BS35192

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, 351W, 351C Mains

Part Number: FMS-M6010BS35195

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Bore Sleeve, Ford, 351W Aluminum Block, Set of 8

Part Number: FMS-M6012-C35192

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Sleeves, Replacement Sleeves for Sprint Car Block, Cast Iron, Set of 8

Part Number: FMS-M6012SPRINT

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Main Bolts, High Performance Series, Hex Head, Chromoly, Black Oxide, 4-Bolt Main, Chevy, Merlin II/III Iron Big Block, Kit

Part Number: ARP-135-5202

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Side Main Bolts, 4-Bolt Main, High Performance, 12-Point, Ford Modular V8, Kit

Part Number: ARP-156-5203

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Main Bolts, High Performance Series, 2-Bolt Main, Buick 1970-76, 455, Kit

Part Number: ARP-125-5201

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Main Bolts, High Performance Series, 4-Bolt Main, Dodge, Plymouth, 426 Hemi, Kit

Part Number: ARP-145-5201

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 18, 2025 if ordered today

• Special Order

Main Bolts, High Performance Series, 2-Bolt Main, Cadillac, V8, Kit

Part Number: ARP-117-5001

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Special Order

Main Bolts, High Performance Series, 4-Bolt Main, Buick V6, Stage I

Part Number: ARP-123-5201

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

• Special Order