CHEVROLET Chevy big block Mark IV 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: Monday 12/15/2025

• Free Shipping

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: Jan 26, 2026 if ordered today

• Drop Ship
• 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: Monday 12/15/2025

• Free Shipping

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

Part Number: MAN-29632R

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516RH

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516RHX

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 565 4.250/4.600 43cc D

Part Number: MAN-29565R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 565 4.250/4.600 43cc D

Part Number: MAN-29565RH

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 565 4.250/4.600 43cc D

Part Number: MAN-29565RHX

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 555 4.250/4.560 -3cc F

Part Number: MAN-28555R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 555 4.250/4.560 -3cc F

Part Number: MAN-28555RH

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 555 4.250/4.560 -3cc F

Part Number: MAN-28555RHX

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 572 4.250/4.625 -3cc F

Part Number: MAN-28572R

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 572 4.250/4.625 -3cc F

Part Number: MAN-28572RH

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 572 4.250/4.625 -3cc F

Part Number: MAN-28572RHX

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516H

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 516 4.000/4.530 2cc DO

Part Number: MAN-29516HX

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615H

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-BBC 615 4.625/4.600 -3cc F

Part Number: MAN-38615HX

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 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: Jan 26, 2026 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: Jan 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order