Engines & Components

3.900" stroke, internal balance, forged 4340 steel, Chevrolet Gen III "LS"

Part Number: ESP-434739006100

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4.250" stroke, internal balance, forged 4340 steel, Chevrolet Gen III "LS"

Part Number: ESP-434742506560

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.580 in. Stroke, Chrysler, 360, Each

Part Number: ESP-436035806123

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 CRANK CHRY 360 4.125" STROKE

Part Number: ESP-436041256200

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 CRANK CHRY 360 4.250" STROKE

Part Number: ESP-436042506200

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 CRANK CHRY LM HEMI 32T RELUCTOR

Part Number: ESP-439240806125

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040-2

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 345cc Intake, Exhaust Port Is Raised 0.600 in., Rectangular Intake Port, Chevy, Big Block

Part Number: WRL-030630-1

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Heads, E-Street, 15-Degree, for GM LS3, with 0.570 in. Lift, Aluminum, Assembled, Stainless Steel Valves, Chevy, Pair

Part Number: EDL-77620

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 190 cc Intake Runner, Straight Plug, Chevy, Pair

Part Number: PMX-2181

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190158

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order