ATK High Performance Engines Engine Assemblies

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP36-G4-B

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Core Charge $410.00
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Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP80

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Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $285.00
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Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged I Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP52NB

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Estimated Ship Date: Jul 22, 2026 if ordered today

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Crate Engines, Chrysler 5.7L Gen III Hemi 400 HP Long Block, 5.7L/345, Assembled, Aluminum Cylinder Heads, with MDS, Chrysler, Dodge, Jeep, 5.7L, Each

Part Number: HPE-HP103

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Core Charge $460.00
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Crate Engine, Ford 502 515 HP Stage 2 Long Block, Assembled, Hydraulic Flat Tappet, Internal Balance, Aluminum Heads, Ford, Big Block 385 Series, Each

Part Number: HPE-HP102M

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Core Charge $650.00
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Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 24 Tooth Reluctor, +3.2cc Flat Top Pistons, Each

Part Number: HPE-SP93-G4

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $410.00
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Crate Engines, GM 489 Stroker 565 HP Stage 3 Long Block, 8.0L/489, Assembled, Aluminum Heads, Carbureted, Chevrolet, 7.4L Big Block Gen V, Each

Part Number: HPE-HP411PC

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $600.00
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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

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

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Engine Long Block, Chev 383 Stroker Marine HP Engine

Part Number: HPE-HP105

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $510.00
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Crate Engine, GM 383 Stroker, Marine, 380 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP96

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $510.00
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Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Dish Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP35NB

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

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Engine Assembly, Short Block, LT1/LT4, 6.2L/376, 4.065 in. Bore, 3.622 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP103

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

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CRATE ENGINE, Chev 350 390HP Black

Part Number: HPE-HP89CBLK

Not Yet Reviewed

Estimated Ship Date: Jul 23, 2026 if ordered today

• Core Charge $510.00
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Crate Engine, Ford 427 C.I.D. 545 HP, Complete Engine, 4-bolt Mains, 10.4:1 Compression, Dart SHP Block, Aluminum Cylinder Heads, Ford, Windsor, Each

Part Number: HPE-HP112CBLK

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

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5.7L Gen 3 Hemi Motor

Part Number: HPE-HP111

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $460.00
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Short Block, Chrysler Gen III 392, Internally Balanced, +2cc Flat Pistons, Each

Part Number: HPE-SP97

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $460.00
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Engine Assembly, Stage 3 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP06C

Not Yet Reviewed

Estimated Ship Date: Jul 23, 2026 if ordered today

• Core Charge $550.00
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Crate Engines, GM 408 LQ4 Stroker 600 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LS01

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2026 if ordered today

• Core Charge $560.00
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Crate Engine, GM 350, Stage 2, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevrolet, 350 CID, Each

Part Number: HPE-HP291PM

3.4 out of 5 stars ( 10 )

Estimated Ship Date: Jul 21, 2026 if ordered today

• Core Charge $510.00
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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

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Core Charge $410.00
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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: Jul 20, 2026 if ordered today

• Core Charge $460.00
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Chevy LM7 383CI Short Block +32cc Dished Pistons 24 Tooth

Part Number: HPE-SP79

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Core Charge $285.00
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Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, I Beam Connecting Rod, LS, Chevy, Each

Part Number: HPE-SPE4271800

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Estimated Ship Date: Jul 20, 2026 if ordered today

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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP31-G4-B

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order