Engines & Components

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, 2.249 Rod Bearings, Each

Part Number: ESP-440042106625

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each

Part Number: ESP-440940026135

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445545006800

Not Yet Reviewed

Estimated Ship Date: Sep 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, 454, Each

Part Number: ESP-450247506600

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

3.480" stroke, internal balance, cast mild steel, Chevrolet small block 1pc rear seal, IMCA legal

Part Number: ESP-103523480CM

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CAST CRANK SBC 350 1PC INT BAL

Part Number: ESP-10352375060I

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

3.900" stroke, internal balance, forged 4340 steel, Chevrolet Gen III "LS"

Part Number: ESP-434739006100

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4.250" stroke, internal balance, forged 4340 steel, Chevrolet Gen III "LS"

Part Number: ESP-434742506560

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.580 in. Stroke, Chrysler, 360, Each

Part Number: ESP-436035806123

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HD IN-FRAME KIT

Part Number: CLE-4595525STD

Not Yet Reviewed

Estimated Ship Date: Oct 9, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $410.00
• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP44

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP80

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $285.00
• Drop Ship
• Free Shipping
• Special Order

Short Block, Chrysler Gen III 392, Internally Balanced, Nitrous/Boost, +2cc Flat Pistons, Each

Part Number: HPE-SP97-B

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $460.00
• Drop Ship
• Free Shipping
• Special Order

SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Crate Engine, Marine, Long Block, Assembled, External Balance, Cast Iron Heads, Chevy, 454, Each

Part Number: HME-DMK2

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

• Core Charge $870.00
• Drop Ship
• Free Shipping
• Special Order

Engine Long Block, 8.1 Liter, 496 Cubic Inch, Marine, Cast Iron, Hydraulic Roller, Camshaft. Scat Rotating Kit, Chevy, Each

Part Number: HME-DMWEMAG

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2025 if ordered today

• Core Charge $1,020.00
• Drop Ship
• Free Shipping
• Special Order

Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $285.00
• Drop Ship
• Free Shipping
• Special Order

Crate Engine, GM LM7, Complete Engine, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Fitech EFI, Each

Part Number: HPE-HP116C-EFI

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $285.00
• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP20C

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $550.00
• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Ford, Small Block, 347, Each

Part Number: HPE-HP20M

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $550.00
• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP105

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, Assembled, Internal Balance, 1-Piece Rear Main Seal Style, Dart SHP Block, 427 C.I.D., Ford, Each

Part Number: HPE-SP112

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP115

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $175.00
• Drop Ship
• Free Shipping
• Special Order

Crate Engine Ford 302CI Engine 300HP Fox Pan Complete EFI

Part Number: HPE-HP06C-EFI

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Core Charge $550.00
• Drop Ship
• Free Shipping
• Special Order