Availability
Bare Blocks, Dart Little M Series, Cast Iron, 9.025 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each
Part Number: DRT-31181211
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Little M Series, Cast Iron,9.025 in. Deck Height, 4.125 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each
Part Number: DRT-31181211LT
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Little M Series, Cast Iron,9.025 in. Deck Height, 4.125 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each
Part Number: DRT-31181213
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Little M Series, Cast Iron, 9.025 in. Deck Height, 4.000 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each
Part Number: DRT-31181215
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
SBC Block 55MM Cam Core
Part Number: DRT-31181215-55
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Little M Series, Cast Iron, 9.325 in. Deck Height, 4.125 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Small Block, Chevy, Each
Part Number: DRT-31181225
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31121111
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31121112
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31121211
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31121212
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31121221
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31121222
Not Yet Reviewed
Estimated Ship Date: Jul 7, 2025 if ordered today
Estimated Ship Date: Jul 7, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31122111
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31122112
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31122121
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each
Part Number: DRT-31122122
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
ENGINE BLOCK
Part Number: DRT-31522342
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.025 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31711112
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.025 in Deck, 4.0 in. Bore, 4-Bolt Mains, 2-Piece Rear Main Seals,Small Block, Chevy, Each
Part Number: DRT-31711113
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.325 in Deck, 4.00 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31711122
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.500 in Deck, 4.00 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31711132
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Bare Blocks, Dart Race Series, Aluminum, 9.025 in Deck, 4.125 in. Bore, 4-Bolt Mains,2-Piece Rear Main Seals,BBC Cam Tunnel,® Small Block,Chevy, Each
Part Number: DRT-31711212
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: DRT-31344175
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: DRT-31344185
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each
Part Number: DRT-31344195
Not Yet Reviewed
Estimated Ship Date: Aug 15, 2025 if ordered today
Estimated Ship Date: Aug 15, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.