$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Summit Racing SpeedCard - learn how to get up to 15% back - Get Details!

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

Individual Parts

Results 1 - 25 of 36

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 3/31/2025

...Loading

Estimated Ship Date: Monday 3/31/2025

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 3/31/2025

...Loading

Estimated Ship Date: Monday 3/31/2025

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

Estimated Ship Date: Jun 2, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 2, 2025 if ordered today

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: Aug 6, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 6, 2025 if ordered today

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: Monday 3/31/2025

...Loading

Estimated Ship Date: Monday 3/31/2025

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 23, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 23, 2025 if ordered today

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: Jun 2, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 2, 2025 if ordered today

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

Part Number: DRT-31947212

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2025 if ordered today

...Loading

Estimated Ship Date: Mar 31, 2025 if ordered today

ENGINE BLOCK

Part Number: DRT-31837211WW1

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2025 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2025 if ordered today

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: Mar 31, 2025 if ordered today

...Loading

Estimated Ship Date: Mar 31, 2025 if ordered today

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: Mar 31, 2025 if ordered today

...Loading

Estimated Ship Date: Mar 31, 2025 if ordered today

SBC Alum LSNext 9.450"-4.000 LS Main

Part Number: DRT-31937121

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2025 if ordered today

...Loading

Estimated Ship Date: Mar 31, 2025 if ordered today

SBC Alum LSNext 9.450"-4.000 LS Main raised cam

Part Number: DRT-31937122

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2025 if ordered today

...Loading

Estimated Ship Date: Mar 31, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

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: May 20, 2025 if ordered today

...Loading

Estimated Ship Date: May 20, 2025 if ordered today

Modal Header

Call To Order

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