Availability
Bare Engine Blocks
Whether you’re building a new engine or recovering from an under-the-hood incident you’d rather soon forget, explore our large selection of aftermarket bare...
Whether you’re building a new engine or recovering from an under-the-hood incident you’d rather soon forget, explore our large selection of aftermarket bare engine blocks to complete your new power plant project. We have V6, V8, and L4 engine block types, and bare blocks of various materials including aluminum, billet aluminum, steel, cast iron, and ductile iron. Find the perfect foundation for your Chevy, Ford, or Mopar build-up, including Chevy 350 and 454, Ford 302 and 351w, Hemi, Corvette, LS, and LSX engines. Explore Summit Racing’s vast selection today!
Whether you’re building a new engine or recovering from an under-the-hood incident you’d rather soon forget, explore our large selection of aftermarket bare engine blocks to complete your new power plant project. We have V6, V8, and L4 engine block types, and bare blocks of various materials including aluminum, billet aluminum, steel, cast iron, and ductile iron. Find the perfect foundation for your Chevy, Ford, or Mopar build-up, including Chevy 350 and 454, Ford 302 and 351w, Hemi, Corvette, LS, and LSX engines. Explore Summit Racing’s vast selection today!
Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.50 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31223444
Need It Sooner? We recommend these similar substitute parts:
BluePrint Engines GM Big Block Compatible Bare Engine Blocks BPP12110324
Not Yet Reviewed
Estimated Ship Date: Jun 18, 2026
BUILD IT WITH SUMMIT!
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 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Standard Deck, Chevrolet, Each
Part Number: NAL-19417352
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Engine Block, Vortec Roller, Cast Iron, 4-Bolt 350 Mains, 4 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy Small Block, Each
Part Number: HPE-13ZB
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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: Jul 16, 2026 if ordered today
Estimated Ship Date: Jul 16, 2026 if ordered today
Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.260 in. Standard Deck, Semi Finished, Chevrolet, Each
Part Number: NAL-19417351
Estimated Ship Date: Aug 17, 2026 if ordered today
Estimated Ship Date: Aug 17, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ SPC Pro LS Engine Block SUM-150215
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026
Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.60 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31223644
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ SPC Big Block Chevy Engine Block SUM-150211
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026
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: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.720 in Tall Deck, Semi Finished, Chevy, Each
Part Number: NAL-19417354
Not Yet Reviewed
Estimated Ship Date: Aug 5, 2026 if ordered today
Estimated Ship Date: Aug 5, 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: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Engine Bare Blocks, Dart Race Series, Aluminum, 9.325 in. Deck Height, 4.125 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each
Part Number: DRT-31711222
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Engine Block, Billet Aluminum, 3.386 in. Bore, 4-Bolt Main, Solid, Dry Sump, 2JZ, Each
Part Number: DRT-311400001101
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each
Part Number: DRT-31511312
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Engine Bare Blocks, Dart Race Series, Aluminum, 9.325 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each
Part Number: DRT-31511322
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.500 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31711232
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 8.850 in Deck, 4.00 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31711152
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 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: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 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: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Engine Block, Iron Eagle, Cast Iron, 3.386 in. Bore, 4-Bolt Main, Machined for 11mm Studs, 2JZ, Toyota, Each
Part Number: DRT-31011010
Not Yet Reviewed
Estimated Ship Date: Jun 29, 2026 if ordered today
Estimated Ship Date: Jun 29, 2026 if ordered today
Engine Block, Cast Iron, 3.386 in. Bore, 4-Bolt Main, Water Jacket, Dry Sump, 2JZ, Each
Part Number: DRT-311400001104
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.500 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: BRO-8B5000
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.325 in Deck, 4.000 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31712122
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.075 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31712242
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.500 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: BRO-8B5025
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31712212
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
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