Availability
Engines, Bare Blocks
Engine Block, Ford 351W Cast Iron , 4-Bolt Mains, 9.500 deck, 4.125 in. Bore, 1-Piece Rear Main Seal, Small Block, Each
Part Number: SUM-150205
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Estimated Ship Date: Monday 2/9/2026
Engine Block, Cast Iron , 4-Bolt Mains, 4.125 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each
Part Number: DRT-31375235
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ SPC Ford 351W Engine Block SUM-150205
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Engine Block, Aluminum, 4-Bolt Cleveland Mains, 4.115 in. Dia. Bore, 1-Piece Rear Main Seal, Ford, 5.8L, Each
Part Number: FMS-M-6010-Z351
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Block, Cast Iron , 4-Bolt Mains, 4.000 in. Bore, 1-Piece Rear Main Seal, Ford 351, Small Block, Each
Part Number: DRT-31375135
Not Yet Reviewed
Estimated Ship Date: Apr 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: WRL-087182
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ SPC Ford 351W Engine Block SUM-150205
Not Yet Reviewed
Estimated Ship Date: Monday 2/9/2026
Engine Block, Cast Iron, 4-Bolt Mains, 3.990 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: WRL-087172
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Diameter Bore, 2-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: WRL-087082
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.115 in. Bore, 9.200 in. Deck Height, Ford, Boss 351, Each
Part Number: FMS-6010B35192BB
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engines, Bare Blocks, Man O'War Bare Block, 351 Cleveland Mains, 9.500 in. Deck Height, 4-bolt Main Style, Ford, 5.0L, 5.8L, Small Block Windsor, Each
Part Number: WRL-087072
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Engine Block, Iron Eagle, Gen 2, Iron Block, 4 Bolt Mains, 351W, 9.500 in. Deck Height, 4.125 in. Bore, Ford, Each
Part Number: DRT-31395235
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
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: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster