1971 Engines & Components

Cylinder Heads, Maxx Series, Assembled, Aluminum, 64cc Chamber, Rectangular Port, Chevy, Small Block, Pair

Part Number: PMX-9200

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal/External Balance, Forged 4340 Steel, 4.500 in. Stroke, Large Snout, Chevrolet, 7.4L, Each

Part Number: CPI-BBQ425-CS

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Stroker Lightweight, 2-Piece Seal, Internal Balance, Cast Steel, 3.895 in. Stroke, Jeep, 4.2L

Part Number: SCA-942010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: WRL-030620CNC

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each

Part Number: ESP-435040006000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

Pulleys, Revolver, Serpentine, Billet Aluminum, Clear Powdercoated, Pontiac, Kit

Part Number: MCH-13165

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Pulley/Bracket Set, Serpentine, Aluminum, Black Powdercoated, Saginaw P/S, Chevy, Big Block, Kit

Part Number: MCH-21255-08

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Pulley Kit, Serpentine, Aluminum, Clear Powdercoated, Power Steering, Chevy, Small Block, Ultra, Kit

Part Number: MCH-20260

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

SBF 351 Windsor 4340 Forged steel crank, 4.000 in. stroke, 6.200 rod, Nitride Hardened, Internal Balance, Req. Narrowed Rod bearings

Part Number: SUM-SBF351W4000I

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Series 9000 Cast Lightweight Stroker, 4.250 in. Stroke, Internal Balance, Ford, Big Block FE, Each

Part Number: SCA-9FE200

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Cylinder Head, Sportsman II, Cast Iron, Assembled, 64cc Chamber, 200cc Intake, Chevy, 302, 327, 350, 400, Each

Part Number: WRL-011250-1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Cylinder Heads, E-Street, Aluminum, Assembled, 84cc Chamber, 210cc Intake Runner, Mopar, Big Block, Pair

Part Number: EDL-5093

3.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Crankshaft, Internal Balance, Cast Steel, 3.58 in. Stroke, Chrysler, 360, Each

Part Number: ESP-103603580

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Cylinder Heads, Assembled, Aluminum, 64cc Chamber, 185cc Intake, Angle Plug, Hyd, Flat, Chevy, SBC, Pair

Part Number: PMX-2168

3.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Crate Engine, Remanufactured, Long Block, Assembled, Chrysler, Doge, Plymouth, 5.9L/360

Part Number: VRE-DD05

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Core Charge $520.00
• Drop Ship
• Free Shipping
• Special Order

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

Part Number: AAY-FDS-440-101

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 28 oz. External Balance, Forged 4340 Steel, 3.250 in. Stroke, Ford, 302, Each

Part Number: SCA-43022

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Accessory Drive System, Serpentine, 6-groove, Black Anodized Finished, Power Steering, Air Conditioning, Ford, Small Block, Kit

Part Number: AAY-FDS-SBF-201

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

SB Chevy Forged Steel crankshaft, 3.875 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003875

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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 )

Estimated Ship Date: Today

• Free Shipping

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 )

Estimated Ship Date: Today

• Free Shipping

Pulley Kit, 6 Rib Serpentine, Chevrolet Big Block, Aluminum, A/C, Power Steering, Billet Reservoir, Gloss Black, Kit

Part Number: EMS-MS107-50BBK

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: SCA-945420

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ESP-435034805700

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping