Engines & Components

4.000" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334540016100

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Estimated Ship Date: Dec 3, 2025 if ordered today

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crank shaft,4340 Billet Crank Subaru EJ20/25 83mm stroker

Part Number: ESP-3EJ232685137

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Estimated Ship Date: Dec 3, 2025 if ordered today

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crank shaft,4340 Billet Crank Honda F20C 96.5mm stroker

Part Number: ESP-3F2037995893

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Estimated Ship Date: Dec 3, 2025 if ordered today

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crank shaft,4340 Billet Crank Nissan SR20 91mm stroker

Part Number: ESP-3SR235835365

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428137505950

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Estimated Ship Date: Dec 3, 2025 if ordered today

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4340 CRANK FORD COYOTE

Part Number: ESP-428236505933

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Estimated Ship Date: Dec 3, 2025 if ordered today

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4340 CRANK FORD COYOTE 3.750" 2.00 ROD

Part Number: ESP-428237502000

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Estimated Ship Date: Dec 3, 2025 if ordered today

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HP ENGINE

Part Number: HPE-SP100

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Estimated Ship Date: Jan 26, 2026 if ordered today

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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

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Estimated Ship Date: Jan 26, 2026 if ordered today

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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

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Chevy LS 408 Boosted/NOS Short Block 58 Tooth -18cc Dish

Part Number: HPE-SP31-B

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Estimated Ship Date: Jan 26, 2026 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP37-G4

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Estimated Ship Date: Jan 26, 2026 if ordered today

• Core Charge $410.00
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Engine Assembly, Short Block, Stroker, 1-Piece Main Seal, Mopar, Small Block Magnum, 408, Each

Part Number: HPE-SP57

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Estimated Ship Date: Jan 26, 2026 if ordered today

• Core Charge $370.00
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Chevy LM-7/LS 347CI Short Block +11cc Dished Pistons 24 Tooth

Part Number: HPE-SP76

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Estimated Ship Date: Jan 26, 2026 if ordered today

• Core Charge $285.00
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Short Block, Chrysler Gen III 392, Internally Balanced, +2cc Flat Pistons, Each

Part Number: HPE-SP97

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Estimated Ship Date: Jan 26, 2026 if ordered today

• Core Charge $460.00
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SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: ESP-103523480CM

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Crankshaft, 2-piece Seal, External Balance, Cast Steel, 4.500 in. Stroke, 2.200 in. Pin, Oldsmobile, 455, Each

Part Number: ESP-104554500

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.900 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434639006100

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Estimated Ship Date: Dec 3, 2025 if ordered today

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forged crankshaft

Part Number: ESP-434643756460

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Big Block, Tall Deck, Each

Part Number: ESP-445445006535

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Estimated Ship Date: Dec 3, 2025 if ordered today

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

Part Number: ESP-434742506560

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Estimated Ship Date: Dec 3, 2025 if ordered today

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4340 CRANK FORD 460 INT BAL 4.625

Part Number: ESP-446046252200

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 454, Each

Part Number: ESP-450247506600

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Engine Crankshaft, Forged 4340 Steel Crankshhaft

Part Number: ESP-4350375057BN

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Estimated Ship Date: Dec 3, 2025 if ordered today

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