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Availability
Engines, Bare Blocks
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: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Pro LS, Bare, Cast Iron, 6-bolt Main Bolt Style, 6 Head bolt Pattern, 9.240 in. Std. Deck 4.125 in. Bore, GenIII/IV LS Chevrolet, Each
Part Number: SUM-150216
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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
Need It Sooner? We recommend these similar substitute parts:
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 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Bare Block, Cast Iron, LS Mains, 4.125 in. Bore, 9.24 in. Deck Height, Each
Part Number: DRT-31867212
Need It Sooner? We recommend these similar substitute parts:
Bare Block, LTR, Aluminum, LS Mains, 4.125 in. Bore, 9.25 in. Deck Height, Each
Part Number: FLE-FPELTRSD10X
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 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: Tomorrow
Estimated Ship Date: Tomorrow
Engine Block, Aluminum, 6-Bolt Mains, 4.125 in. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Tall, Each
Part Number: EDL-54901U
Not Yet Reviewed
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 10, 2026 if ordered today
Estimated Ship Date: Aug 10, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
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: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
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: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Bare Block
Part Number: NAL-19417353
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bare Blocks, Dart LS Next Series, Aluminum, 9.750 in Deck Height, 4 in Bore, Steel Main, 4-Bolt Mains, 1-Piece Rear Main Seal, LS Gen III/IV, Chevy
Part Number: DRT-31947242
Not Yet Reviewed
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: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 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: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Skirted, Chevy, LS, Each
Part Number: DRT-31947211
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Engine Block LS, SIAM, 9.240 x 4.125, BILLET MC, 4 HD BLT
Part Number: MLL-BPP12110359
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Engine Block LS, SIAM, 9.240 x 4.125, BILLET MC, 6 HD BLT
Part Number: MLL-BPP12110350
Not Yet Reviewed
Need It Sooner? We recommend these similar substitute parts:
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 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
SBC Alum LSNext 9.450"-4.000 LS Main raised cam
Part Number: DRT-31937122
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Engine Block, LS Next, Aluminum, 4.000 in. Diameter Bore, 4-Bolt Mains, Skirted, Chevy, LS, Each
Part Number: DRT-31947111
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Engine Block, SHP LS Next, Bare Block, 4.000 in Bore, 9.450 Deck, Raised Cam, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each
Part Number: DRT-31947122
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Engine Block, SHP LS Next, Bare Block, 4.000 in Bore, 9.450 Deck, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each
Part Number: DRT-31947121
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 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 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Bare Blocks, Dart LS Next Series, Aluminum, 9.450 in Deck Height, 4.125 in Bore, Steel Main, 4-Bolt Mains,1-Piece Rear Main Seal, LS Gen III/IV, Chevy
Part Number: DRT-31947222
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
