1974 Engines & Components

SB Chevy Forged Steel crankshaft, 4.000 Stroke, 400 Mains, 2 Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, 6.000 in. Rod

Part Number: SUM-SBC4004000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Head, S/R Torquer, Cast Iron, Assembled, 76cc Chamber, 170cc Intake, Chevy, 302, 327, 350, 400, Each

Part Number: WRL-042670-1

1.0 out of 5 stars ( 1 )

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Crankshaft, Cast Steel, 4.00 in. Stroke, 2.100 in. Rod Journal, Ford, 351W, Use 28 oz. Balancer, Each

Part Number: SCA-9351W46

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy Small Block, Aluminum, AC, Power Steering-Aluminum Reservoir, Machined fini

Part Number: EMS-MS107-10BM

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Pulley/Bracket Set, Serpentine, Aluminum, Clear Powdercoated, Chevy, Small Block, Short Pump, Kit

Part Number: MCH-21165

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Engine Rotating Assembly, Street/Strip, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Big Block, Kit

Part Number: ESP-B18020030

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Crankshaft, 2-piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-9103750

5.0 out of 5 stars ( 1 )

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Crankshafts, 1-piece Seal, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, Each

Part Number: MAN-190340

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

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Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-41310BI

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 185cc Intake Runner, Chevrolet, Small Block, Pair

Part Number: PMX-9186S

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, Kit

Part Number: ESP-11014030

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Cylinder Head, Dragon Slayer, Aluminum, Assembled, 64cc Chamber, 225cc Intake Runner, Chevy, Small Block, Pair

Part Number: BRO-1321003

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 4, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAM213-CS

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Accessory Drive System, Serpentine, 6-groove, Polished Finished, Power Steering, Air Conditioning, Chevy, Big Block, Kit

Part Number: AAY-FDS-BBC-101

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Pulley Kit, Serpentine, Aluminum, Clear Powdercoated, Airconditioning, Power Steering, Pontiac V8, Kit

Part Number: MCH-13135

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 400, Each

Part Number: ESP-440038756000

5.0 out of 5 stars ( 1 )

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

Part Number: SCA-936020

5.0 out of 5 stars ( 2 )

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 2.000 in. Pin, Chevy, 350

Part Number: CPI-SAF143-CM

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Pulley/Bracket Set, Serpentine, Aluminum, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, Chevy, Small Block, Short Pump, Kit

Part Number: MCH-21155-07

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.150 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444241506760

4.67 out of 5 stars ( 3 )

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Pulley Kit, Tru Trac, Serpentine System, Aluminum, Black Anodized, Chevy, Small Block, Kit

Part Number: BSP-BLK13220

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.210 in. Stroke, Pontiac, 455, Each

Part Number: ESP-104554210

4.8 out of 5 stars ( 5 )

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Pulley Kit, Revolver Track, Serpentine, Aluminum, Chrome, Standard Ratio, Chevy, Big Block, Kit

Part Number: MCH-21260-06

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAO113-CS

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Estimated Ship Date: Jan 7, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B157164080

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Estimated Ship Date: Tomorrow if ordered today

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