CHEVROLET ATK High Performance Engines Engine Assemblies

Short Block, Chevrolet 383 Stroker, Internal/External Balanced, +5cc Flat Top Pistons, Forged 4340 Steel Crankshaft, Each

Part Number: HPE-SP53

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Core Charge $510.00
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Short Block, Crate Engine, Cast, 1-Pc. Main Seal, Forged Internals, 4-Bolt Main, Internal/External Balance, 9.025 in. DH, Chevy, Small Block, 383,Each

Part Number: HPE-SP35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Core Charge $510.00
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Chevy LS 408 Boosted/NOS Short Block 58 Tooth +10cc Dish

Part Number: HPE-SP26-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $410.00
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CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

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Estimated Ship Date: Today

• Core Charge $410.00
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Engine Assembly, Stage 1 Crate Engine, Marine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP90

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Core Charge $510.00
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CHEV 632 BB COMP/DYNO

Part Number: HPE-HP108C

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Estimated Ship Date: May 19, 2026 if ordered today

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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

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Estimated Ship Date: May 19, 2026 if ordered today

• Core Charge $560.00
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Crate Engine, GM LM7, Long Block, Hydraulic Roller, 1-Piece RMS, Internal Engine Balance, with AFR Aluminum Heads, 58x Setup, Chevy, 5.3L, Each

Part Number: HPE-HP116-G4

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Estimated Ship Date: May 19, 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: May 19, 2026 if ordered today

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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: May 19, 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 Flat Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP53NB

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Estimated Ship Date: May 19, 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

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Estimated Ship Date: May 19, 2026 if ordered today

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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

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Estimated Ship Date: May 19, 2026 if ordered today

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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: May 19, 2026 if ordered today

• Core Charge $285.00
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Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP44

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Estimated Ship Date: May 19, 2026 if ordered today

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