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

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

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP26-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 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: Dec 26, 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, +10cc Dish Pistons, Each

Part Number: HPE-SP37-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 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: Dec 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, +29cc Dish Pistons, Each

Part Number: HPE-SP40-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP67

Not Yet Reviewed

Estimated Ship Date: Dec 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: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP69

Not Yet Reviewed

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP70

Not Yet Reviewed

Estimated Ship Date: Dec 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: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

SHORT BLOCK, LS3 415CI Boost Shortblock 58T

Part Number: HPE-SP71-B

Not Yet Reviewed

• Free Shipping
• Special Order

ATK High Performance Chevy LS3 415 Short Block

Part Number: HPE-SP72

Not Yet Reviewed

Estimated Ship Date: Dec 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: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Intake Manifold, Mozez, Multi-Port, 125mm, Standard Deck, Double Fuel Rail, Chevy, LS, Each

Part Number: MML-MNLSX600108

Not Yet Reviewed

Estimated Ship Date: Nov 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: Nov 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: Nov 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: Nov 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: Nov 11, 2025 if ordered today

• Free Shipping
• Special Order

KW Clubsport Kit, Chevrolet Corvette (C5); all models incl. Z06; without electronic shock control

Part Number: KWA-35261711

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Free Shipping
• Special Order

Intake Manifold, 57 Series Fuelie Intake, Multi-port, 92mm Throttle Body, Aluminum, Natural, Chevy, LS, Each

Part Number: LSS-GMLS3014

Not Yet Reviewed

Estimated Ship Date: Tomorrow 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: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order

Complete Chassis Kit, Full Chassis, SPEC, Pre-configured, Slammed, Coilover Suspension, IFS, Ford 9 in. Axle, Chevy, C10, Kit

Part Number: RSR-6772C10SLCST

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 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: Dec 1, 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-CHLSX600234

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Free Shipping
• Special Order