CHEVROLET Manley Engines & Components

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190140

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each

Part Number: MAN-190310

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

KIT-SBC 355 3.480/4.030

Part Number: MAN-290730

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• 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: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190280

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Chevy LS, forged, 4.000 stroke, lightweight, 58 tooth reluctor wheel, long snout

Part Number: MAN-192658

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 350 Mains, Chevy, 5.7, Each

Part Number: MAN-190190

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190170

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 4.000 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190130

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 3.750 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 598 4.500/4.600 43cc D

Part Number: MAN-29598RH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

KIT-LS 415 4.000/4.070 18cc DI

Part Number: MAN-28415R

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-LS 415 4.000/4.070 -4cc F/

Part Number: MAN-29415R

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 555 4.250/4.560 F/T

Part Number: MAN-38555RHXX

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Crankshaft, 1-Piece Seal, Internal Balance, Lightweight, 4340 Billet, 4.000 Stroke, Chevy, LS1, Each

Part Number: MAN-190858B

Not Yet Reviewed

Estimated Ship Date: Dec 29, 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-190124

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CRANKSHAFT-CHEVY LT1 4.000

Part Number: MAN-194258

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190058

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Chevy big block, forged, 4.375 stroke, w/ center counterweights

Part Number: MAN-190320

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 572 4.250/4.625 -3cc F

Part Number: MAN-38572RHXX

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D

Part Number: MAN-29632R

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615H

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 43cc D

Part Number: MAN-39615HX

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 615 4.625/4.600 43cc DOME

Part Number: MAN-39615

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order