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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!

Showing In Stock Items. Show All 11 Items.

Individual Parts

Part Groups

Results 1 - 6 of 6

Fleece Performance Freedom Series LSR Aluminum Engine Blocks FPE-LSR-SD10X

Fleece Performance Freedom Series LSR Aluminum Engine Blocks FPE-LSR-SD10X

Fleece Performance Freedom Series LSR Aluminum Engine Blocks FPE-LSR-SD10X

Bare Block, LSR, Aluminum, LS Mains, 4.125 in. Bore, 9.25 in. Deck Height, Each

Part Number: FLE-FPELSRSD10X

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SPC Pro LS Engine Block SUM-150215

Summit Racing™ SPC Pro LS Engine Block SUM-150215

Not Yet Reviewed

Estimated Ship Date: Today

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Summit Racing™ SPC Pro LS Engine Block SUM-150215

Summit Racing™ SPC Pro LS Engine Block SUM-150215

Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.240 in. Std Deck, 4 Head Bolt, 4.065 in. Bore, GenIII/IV LS Chevrolet, 6.0/6.2, Each

Part Number: SUM-150215

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Ford Performance Parts 351 Aluminum Windsor Engine Blocks for 1969-1970 MUSTANG - M-6010-Z35192

Ford Performance Parts 351 Aluminum Windsor Engine Blocks for 1969-1970 MUSTANG - M-6010-Z35192

Ford Performance Parts 351 Aluminum Windsor Engine Blocks for 1969-1970 MUSTANG - M-6010-Z35192

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

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Estimated Ship Date: Today

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212191

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212191

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212191

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: Aug 5, 2026 if ordered today

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Estimated Ship Date: Aug 5, 2026 if ordered today

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212194

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212194

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212194

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

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Estimated Ship Date: Today

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212192

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212192

Chevrolet Performance Bowtie Big Block Chevy Cast Iron Engine Blocks 19212192

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

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Estimated Ship Date: Today

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