CHEVROLET Chevy small block Gen III/IV (LS-based engines) ATK High Performance Engines Parts and Accessories

Cylinder Head, 260cc LS3, CNC Ported, 6 Bolt, 70cc Chamber, 260cc Runner, 2.165 in. Intake , 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3260

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Cylinder Head, 270cc LS3, CNC Ported, 6 Bolt, 72cc Chamber, 273cc Runner, 2.165 in. Intake, 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3270

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Chevy LS 408 Boosted/NOS Short Block 24 Tooth -10cc Dish

Part Number: HPE-SP37-B

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Estimated Ship Date: Jan 2, 2026 if ordered today

• Core Charge $410.00
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Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116

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Estimated Ship Date: Jan 2, 2026 if ordered today

• Core Charge $285.00
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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: Nov 21, 2025 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP31-G4

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Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 58 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP36-G4

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Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP38-G4

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Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +18cc Dish Pistons, Each

Part Number: HPE-SP38-G4-B

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Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP40-G4

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Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 24 Tooth Reluctor, +11cc Dish Pistons, Each

Part Number: HPE-SP94-G4

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Estimated Ship Date: Nov 21, 2025 if ordered today

• Core Charge $410.00
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Chevy LS 408 Boosted/NOS Short Block 58 Tooth 4cc Flat Top

Part Number: HPE-SP32-B

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Estimated Ship Date: Dec 10, 2025 if ordered today

• Core Charge $410.00
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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: Dec 22, 2025 if ordered today

• Core Charge $285.00
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Engine Assembly, Short Block, LM7, 5.7/347, 3.903 in. Bore, 3.622 in. Stroke, Forged Dished Pistons, I-Beam, Chevy, LS, Each

Part Number: HPE-SP76-B

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• Core Charge $285.00
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Chevy LM7 383CI Short Block +8cc Dished Pistons 24 Tooth

Part Number: HPE-SP77

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $285.00
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Chevy LM7 383CI Short Block +32cc Dished Pistons 24 Tooth

Part Number: HPE-SP79

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $285.00
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Engine Assembly, Short Block, LS3 364, Forged Flat Top Pistons, Chevy, Small Block LS, Each

Part Number: HPE-SP95-G4

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
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Short Block, Chevrolet LS Gen IV 364, Internally Balanced, 58 Tooth Reluctor, +11cc Dish Pistons, Each

Part Number: HPE-SP96-G4

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
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Engines, Dart Short Block, 427 C.I.,, Cast Iron, 4.125 Bore, 4.00 Stroke, Flat Top Forged Aluminum Pistons, H Beam Connecting Rod, LS, Chevy, Each

Part Number: HPE-SPE4271500

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Estimated Ship Date: Dec 22, 2025 if ordered today

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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: Dec 22, 2025 if ordered today

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Crate Engines, GM LM7/LS1 347CI 500 HP Stage 1 Long Block, 5.7L/347, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LM7-LB-2

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $285.00
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Crate Engines, GM LM7/LS1 383CI 515 Plus HP Stage 1 Long Block, 6.3L/383, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LM7-LB-3

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $285.00
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Crate Engines, GM 365 LQ9 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ9-LB-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $560.00
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Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 408, Each

Part Number: HPE-LS01C

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $560.00
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Crate Engines, GM 415 LS3 Stroker 620 HP Stage 1 Long Block, 6.8L/415, Assembled, Internal Balance, Aluminum Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LS02

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Estimated Ship Date: Dec 22, 2025 if ordered today

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