CHEVROLET Chevy big block Mark IV Dart Engines & Components

Cylinder Head Studs, 12-Point Nuts, Chevy, Big M Block, Aftermarket Heads, Kit

Part Number: DRT-64210240

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/15/2025

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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

Estimated Ship Date: Jan 29, 2026 if ordered today

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Rocker Arm Stud Girdle, Aluminum, Gold Anodized, 7/16 in.-20 Thread, Chevy, Big Block, Kit

Part Number: DRT-64110001

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

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Guideplates, Raised, Adjustable, 3/8 in. Pushrod Size, Chevy, Big Block, with Dart Heads, Set of 4

Part Number: DRT-27001230-4

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Monday 12/15/2025

Cam Bearings, Race Only, Solid Cast Aluminum Alloy, Chevy, Dart, Big M Block, Kit

Part Number: DRT-32210030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

Rocker Arm Studs, 8740 Chromoly, 7/16-14 in. Thread, 2.000 in. Effective Stud Length, Chevy, Big Block, Each

Part Number: DRT-27002223

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/15/2025

BRONZE VALVE GUIDE EACH

Part Number: DRT-63121203

5.0 out of 5 stars ( 1 )

Cam Bearings, Block Parts Kit, Dart Big M Block Only, Kit

Part Number: DRT-32000002

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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VALVE GUIDE EACH

Part Number: DRT-63121210

5.0 out of 5 stars ( 1 )

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .344 in. Stem, Chevy, Each

Part Number: DRT-21311880

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

Cylinder Head, Pro 1, Aluminum, Bare, 121cc Chamber, 345cc Intake Runner, Chevy, Big Block, Each

Part Number: DRT-19300030

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Rocker Arm Stud, 8740 Chromoly, 7/16-14 in. Thread, 2.000 in. Effective Stud Length, Chevy, Big Block, Each

Part Number: DRT-27002204

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

INCONEL EXHAUST VALVE EACH

Part Number: DRT-21811890

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

Bare Blocks, Dart Big M Series, Cast Iron, 10.200 in. Deck Height, 4.560 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213555

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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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

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Cam Bearing, Race Only, Full Groove Style, with Oil Holes, for 2.120 in. Housing Bore, Solid Cast Aluminum Alloy, Chevy, Dart Big M, Each

Part Number: DRT-32210031

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

Valve, Exhaust, Dished, 1.880 in. Head Diameter, Stainless, 5.535 in. Length, Chevy, Big Block, Each

Part Number: DRT-21321880

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

Cylinder Head, Pro 1, Aluminum, Assembled, 121cc Chamber, 325cc Intake Runner, Chevy, Big Block, Each

Part Number: DRT-19200132

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Valve, Intake, 2.250 in. Diameter, Stainless, 5.471 in. Length, Chevy, Big Block, Each

Part Number: DRT-21342250

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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

Estimated Ship Date: Jan 29, 2026 if ordered today

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Bare Blocks, Dart Big M Series, Cast Iron, 10.200 in. Deck Height, 4.500 in. Bore, 4-Bolt Main, 2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31213454

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Bare Blocks, Dart Big M Sportsman Series, Cast Iron,10.200 in. Deck Height, 4.560 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223554

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Bare Blocks, Dart Big M Series, Cast Iron, 9.80 in. Deck Height, 4.250 Bore, 4-Bolt Main, 2 Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223344

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Valve Guide, Manganese Bronze, for Use with 11/32 in. Diameter Intake Valves Only, Chevy, Big Block, Each

Part Number: DRT-63121212

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025