Shop the CLEARANCE SALE!

Shop the CLEARANCE SALE!

FREE SHIPPING on Orders Over $109!

CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines, Bare Blocks

Individual Parts

Results 1 - 25 of 37

Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.240 Deck, 4-Bolt Mains, Cast Iron, GM LS-Series, Each

Part Number: DRT-31867211

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

This product may not be eligible for select promotional offers

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

This product may not be eligible for select promotional offers

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

Part Number: RHS-54903U

Not Yet Reviewed

...Loading

This product may not be eligible for select promotional offers

Bare Block, Cast Iron, LS Mains, 4.125 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867212

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

This product may not be eligible for select promotional offers

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

This product may not be eligible for select promotional offers

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: Sep 29, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 29, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, 6.0L, LQ4/LQ9, Cast Iron, 9.240 in Deck Height, 4.002 in. Cylinder Bore, Chevy, Each

Part Number: NAL-12733807

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 29, 2025 if ordered today

This product may not be eligible for select promotional offers

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

Part Number: RHS-54901U

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Bare Block, 4 in Bore, 9.240 Deck, 4-Bolt Mains, 1 Piece Seal, 0.375 in Extended Cylinder Barrels, Iron, GM LS-Series, Each

Part Number: DRT-31837111

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

SHP Pro block,SBC Ir/Blk LSNext SHP 9.240-4.000-LS Main w/steel cap

Part Number: DRT-31837121

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Cast Iron, 4.125 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each

Part Number: DRT-31837211

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

ENGINE BLOCK

Part Number: DRT-31837211WW1

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Cast Iron, 4.125 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each

Part Number: DRT-31837221

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, Cast Iron, LS 4-bolt Mains, 4.000 in. Bore, Chevy LS, Small Block, Each

Part Number: DRT-31867111

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Bare Block, Cast Iron, LS Mains, 4.00 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867112

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Aluminum, 4.000 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each

Part Number: DRT-31937111

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Aluminum, 4.000 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each

Part Number: DRT-31937112

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

SBC Alum LSNext 9.450"-4.000 LS Main

Part Number: DRT-31937121

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

SBC Alum LSNext 9.450"-4.000 LS Main raised cam

Part Number: DRT-31937122

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Bare Blocks, Dart LS Next Series, Aluminum, 9.750 Deck Height, 4 in Bore, Steel Main, 4-Bolt Mains, 1-Piece Rear Main Seal, LS Gen III/IV, Chevy

Part Number: DRT-31937142

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each

Part Number: DRT-31937211

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each

Part Number: DRT-31937212

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Chevy, LS, Each

Part Number: DRT-31937221

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each

Part Number: DRT-31937222

Not Yet Reviewed

Estimated Ship Date: Aug 15, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 15, 2025 if ordered today

This product may not be eligible for select promotional offers

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.