CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

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

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +29cc Dish Pistons, Each

Part Number: HPE-SP40-G4-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 24 Tooth Reluctor, +4cc Flat Top Pistons, Each

Part Number: HPE-SP39-G4-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP68

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP70

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP71

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP72

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP74

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 62cc Combustion Chamber, Bare, 2.040 in. Intake Valve, 1.570 in. Exhaust Valve, Chevy, LS, Pair

Part Number: MML-CHLSX600230

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 70cc Combustion Chamber, Bare, 2.250 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS, Pair

Part Number: MML-CHLSX600232

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 61cc Combustion Chamber, Bare, 2.080 in. Intake Valve, 1.570 in. Exhaust Valve, Chevy, LS3, Pair

Part Number: MML-CHLSX600236

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 70cc Combustion Chamber, Bare, 2.165 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS3, Pair

Part Number: MML-CHLSX600237

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 70cc Combustion Chamber, Bare, 2.250 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS3, Pair

Part Number: MML-CHLSX600240

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 70cc Combustion Chamber, Bare, 2.165 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS7, Pair

Part Number: MML-CHLSX600242

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 70cc Combustion Chamber, Bare, 2.250 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS7, Pair

Part Number: MML-CHLSX600247

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 70cc Combustion Chamber, Bare, 2.250 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS7, Pair

Part Number: MML-CHLSX600249

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order

Cylinder Head, Black Label, 70cc Combustion Chamber, Bare, 2.165 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS, Pair

Part Number: MML-CHLSX600231

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Free Shipping
• Special Order