Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Dart Cylinder Heads, Engine Blocks & More
Dart’s first products were purpose-built Hemi cylinder heads that quickly dominated Top Fuel and Funny Car classes and ultimately helped shatter the barriers of...
Dart’s first products were purpose-built Hemi cylinder heads that quickly dominated Top Fuel and Funny Car classes and ultimately helped shatter the barriers of 300 mph and the 4-second Funny Car ET. Today, Dart heads set the standards high in every racing class, and the company offers race-winning gear to fit any budget. Dart designs, manufactures, and tests every one of its products in-house for ultimate quality control. In addition to a wide range of aluminum and iron cylinder head applications, Dart also manufacturers engine blocks, intake manifolds, complete top-end kits, and top-quality bearings and engine...
Dart’s first products were purpose-built Hemi cylinder heads that quickly dominated Top Fuel and Funny Car classes and ultimately helped shatter the barriers of 300 mph and the 4-second Funny Car ET. Today, Dart heads set the standards high in every racing class, and the company offers race-winning gear to fit any budget. Dart designs, manufactures, and tests every one of its products in-house for ultimate quality control. In addition to a wide range of aluminum and iron cylinder head applications, Dart also manufacturers engine blocks, intake manifolds, complete top-end kits, and top-quality bearings and engine hardware.
Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.50 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31223444
Not Yet Reviewed
Engine Block, Aluminum, 4-Bolt Mains, 4.250 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31264344
Not Yet Reviewed
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.2 Deck, 4.600 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264655
Not Yet Reviewed
Engine, Bare Block, Big M Sportsman, Stock/OEM, 4.60 in. Bore, Cast Iron, 4-Bolt Main, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31223644
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 9.80 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264645
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 9.80 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264445
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.4 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264495
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.4 Deck, 4.600 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264695
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Engine Block, Race Series, Aluminum, 4-Bolt Mains, 10.2 Deck, 4.500 in. Dia., Bore, 2-Piece Seal, Chevy, Each
Part Number: DRT-31264455
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Engine Block, Aluminum, 4-Bolt Mains, 4.600 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31264654
Not Yet Reviewed
Engine Block, Aluminum, 4-Bolt Mains, 4.600 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31264644
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 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: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 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-31264444
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Engine Bare Blocks, Dart Big M Series, Aluminum, 10.20 in. Tall Deck, 4.250 in. Bore. 4-Bolt Mains, 2 Piece Rear Main Seal, Chevy, Big Block, Each
Part Number: DRT-31264354
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
BIG BLOCK CHEVY CYLINDER HEAD
Part Number: DRT-19574030M
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Pro1 CNC Big Block Chevy 355 Marine Cylinder Head
Part Number: DRT-19574136M
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, BIG CHIEF CNC ALUMINUM BIG BLOCK CHEVY CYLINDER HEADS
Part Number: DRT-18575090
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, BIG CHIEF CNC ALUMINUM BIG BLOCK CHEVY CYLINDER HEADS
Part Number: DRT-18575090CN
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Cylinder Head, PRO1 20° (AS-CAST & CNC) ALUMINUM BIG BLOCK CHEVY CYLINDER HEADS
Part Number: DRT-19770000
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
