Availability
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:
Summit Racing™ SPC LS Engine Block SUM-150215
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Estimated Ship Date: Monday 2/16/2026
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
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BluePrint Engines Engines, Bare Blocks BPP12110350
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Estimated Ship Date: Mar 2, 2026
Engine Hardware Kits, Brass Freeze Plugs, Coated Camshaft Bearings, Dowel Pins, Chevrolet, LS, Kit
Part Number: DRT-32000016
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Estimated Ship Date: Today
Estimated Ship Date: 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 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 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: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 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 2, 2026 if ordered today
Estimated Ship Date: Apr 2, 2026 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Engine Block, LS Next, Aluminum, 4.125 in. Diameter Bore, 4-Bolt Mains, Raised Cam, Chevy, LS, Each
Part Number: DRT-31937242
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Bare Blocks, Dart LS Next Series, Aluminum, 9.240 in Deck Height, 4 in Bore, Steel Main, 4-Bolt Mains, 1-Piece Rear Main Seal, LS Gen III/IV, Chevy
Part Number: DRT-31947112
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Engine Block, SHP LS Next, Bare Block, 4.000 in Bore, 9.750 Deck, Raised Cam, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each
Part Number: DRT-31947142
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Engine Block, SHP LS Next, Bare Block, 4.125 in Bore, 9.450 Deck, 4-Bolt Mains, Cast Aluminum, GM LS-Series, Each
Part Number: DRT-31947221
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
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
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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
SBC Alum LSNext 9.450"-4.000 LS Main
Part Number: DRT-31937121
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
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