DODGE 5-6L-340 MOPAR-SMALL-BLOCK-LA Engines & Components - Free Shipping Savings Central - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Forged Crankshafts SUM-MOP3404000

SB Mopar 340 Forged Steel Crank, 4.000 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP3404000

Not Yet Reviewed

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Summit Racing™ Forged Crankshafts SUM-MOP34033106

SB Mopar 340 Forged Steel Crank, 3.580 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP34033106

Not Yet Reviewed

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PROMAXX Performance Shocker Series Small Block Mopar Cylinder Heads 93625

Cylinder Heads, Aluminum, Assembled, 65cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: PMX-93625

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Eagle Cast Steel Crankshafts 103404000

Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Mopar, Small Block 318, 340, 4.000 in. Stroke, Each

Part Number: ESP-103404000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Edelbrock Total Power Package 417 HP Small Block Mopar Top-End Engine Kits 2049

Edelbrock Total Power Package 417 HP Small Block Mopar Top-End Engine Kits 2049

Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, SB Mopar, 417 HP-397 TQ, Kit

Part Number: EDL-2049

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Scat Cast Crankshafts 9-340-4000-6123

Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Dodge, Plymouth, 340, Each

Part Number: SCA-934020

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Scat Cast Crankshafts 9-340-3580-6123

Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.580 in. Stroke, Plymouth, 340, Each

Part Number: SCA-934010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

PROMAXX Performance Maxx Series Small Block Mopar Clinder Heads 9362

Cylinder Heads, Aluminum, Assembled, 63cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: PMX-9362

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Edelbrock Performer RPM Cylinder Heads 60179

5 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 434033106123

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.310 in. Stroke, Chrysler, 273, 318, 340, Each

Part Number: ESP-434033106123

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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All American Billet Silverline Series Serpentine Kits FDS-318-201

Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-201

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

All American Billet Serpentine Kits FDS-318-301

Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Air Conditioning, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-301

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Scat Forged Standard Weight Crankshafts 4-340-4000-6123

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Dodge, Plymouth, 340, Each

Part Number: SCA-434020

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

PROMAXX Performance Shocker Series Small Block Mopar Cylinder Heads 9361

Cylinder Heads, Aluminum, Bare, 63cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: PMX-9361

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

PROMAXX Performance Shocker Series Small Block Mopar Cylinder Heads 93615

Cylinder Heads, Aluminum, Bare, 65cc Chamber, 171cc Intake Runner, Chrysler, Dodge, Plymouth, Small Block, Pair

Part Number: PMX-93615

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

All American Billet Serpentine Kits FDS-318-353

Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-353

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

All American Billet Silverline Series Serpentine Kits FDS-318-253

Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-253

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

All American Billet Serpentine Kits FDS-318-351

Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Air Conditioning, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-351

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

All American Billet Serpentine Kits FDS-318-101

Accessory Drive System, Serpentine, 6-groove, Polished Finished, Power Steering, Air Conditioning, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-101

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

All American Billet Serpentine Kits FDS-318-151

Accessory Drive System, Serpentine, 6-groove, Polished Finished, Power Steering, Air Conditioning, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-151

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

All American Billet Serpentine Kits FDS-318-153

Accessory Drive System, Serpentine, 6-groove, Polished Finished, Power Steering, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-153

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

All American Billet Silverline Series Serpentine Kits FDS-318-251

Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-251

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

March Performance Style Track Serpentine Systems 40440

Pulley Kit, Serpentine, Aluminum, Clear Powdercoat, Mopar, Small Block LA, GM Type 2 P/S, Kit

Part Number: MCH-40440

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

March Performance Style Track Serpentine Systems 40440-08

Pulley Kit, Serpentine, Aluminum, Black Powdercoated, Mopar, Small Block LA, GM Type 2 P/S, Kit

Part Number: MCH-40440-08

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

March Performance Revolver Serpentine Conversion Kits 40460

Pulleys, Revolver, Aluminum, Clear Powdercoated, Chrysler, Dodge, LA, Kit

Part Number: MCH-40460

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Eagle Forged 4340 Steel Crankshafts 434040006123

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chrysler, 273, 318, 340, Each

Part Number: ESP-434040006123

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today