Engines & Components

CYLINDER HEADS PAIR

Part Number: PMX-2151HR

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, Internal Balance, Forged 4340 Steel, 3.85 in. Stroke, Ford, 351W, Each

Part Number: SCA-4351W45

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

FLATHEAD

Part Number: SCA-923910

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: ESP-435038756000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Heads, Project X, Aluminum, Bare, 64cc Chamber, 200cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9195A

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Free Shipping
• Special Order

CRANK-4340 FORGE 4.500 STROKE

Part Number: MAN-190220

Not Yet Reviewed

Estimated Ship Date: Nov 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CRANKSHAFT ASM

Part Number: ADO-12674743

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Free Shipping
• Special Order

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

• Free Shipping
• Special Order

Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402L04068

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Street, Cast Crank, Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15402E060

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBO425-CS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chrysler, 360, Each

Part Number: ESP-436040006123

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Free Shipping
• Special Order

CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

Not Yet Reviewed

Estimated Ship Date: Nov 20, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Heads, Freedom Series, Bare, Aluminum, Natural, 64cc Chamber, Angle Plug, Chevy, Small Block, Pair

Part Number: PMX-2108

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CRANKSHAFT

Part Number: SCA-773503760

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

FORGED CRANKSHAFTS

Part Number: SCA-774004060

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Internal Balance, Forged 4340 Steel, 3.554 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428135545933

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 5, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 4.200 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi, Gen III, Each

Part Number: CPI-YY12E48-CS

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, External Balance, Forged 4340 Steel, 4.100 in. Stroke, Ford, 351W, Cleveland Mains, Each

Part Number: SCA-4351C60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-440072LW

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head, Freedom, Aluminum, Assembled, 64 cc Chamber, 185 cc Intake Runner, Straight Plug, Chevy SB, Pair

Part Number: PMX-2169

4.23 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

• Free Shipping

Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620-2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.20 Rod Bearings, Each

Part Number: ESP-440042506700

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542506700

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping