Availability
Bare Blocks, Dart Big M Series, Cast Iron,10.400 in. Deck Height, 4.500 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each
Part Number: DRT-31213595
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Block, Cast Iron, 4-Bolt Mains, 4.250 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31264345
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.2 Deck, 4.250 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264355
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.0 Deck, 4.250 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264385
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.4 Deck, 4.250 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264395
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.500 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31264454
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.0 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264485
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.0 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264685
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each
Part Number: DRT-31511312
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Bare Blocks, Dart Race Series, Aluminum, 9.025 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each
Part Number: DRT-31511313
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Bare Blocks, Dart Race Series, Aluminum, 9.325 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each
Part Number: DRT-31511322
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Engine Bare Blocks, Dart Race Series, Aluminum, 9.075 in. Deck Height, 4.180 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each
Part Number: DRT-31511342
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
CRATE ENGINE
Part Number: NAL-19433410
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Estimated Ship Date: Tomorrow
Engine Crankshaft
Part Number: CLE-2475219
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Crankshaft
Part Number: CLE-2475222
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Crankshaft
Part Number: CLE-2475226
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Crankshaft
Part Number: CLE-2475248
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Crankshaft
Part Number: CLE-2475147
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Crankshaft
Part Number: CLE-2475151
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
350 MAIN BLOCK, 4.125 BORE
Part Number: BRO-8B1050
Not Yet Reviewed
Estimated Ship Date: Nov 28, 2025 if ordered today
Estimated Ship Date: Nov 28, 2025 if ordered today
Engine Block
Part Number: FMS-M-6009-A52XS
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Short Block Engines, 454 C.I.D. Short Block, Forged Crankshaft, Flat Top Pistons, 4 Bolt, Includes Oil Pan, Timing Cover, Flexplate, Balancer, Each
Part Number: NAL-19433375
Not Yet Reviewed
RB 30 MAGNUM BILLET 90 MM STROKE
Part Number: CPI-J078F9-MB
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
CALLIES ULTRA FORGED BILLET BIG FLANGE 4.500 / 2.750 /2.374
Part Number: CPI-NNQ-UY2-TF
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Long Block, V-Series, 111 in., 585 in. Cam, Carbureted/Fuel Injected, Black Edition, Harley-Davidson®, Evolution, Each
Part Number: SSY-310-0829
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
