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ATK High Performance Engines

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

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Results 1 - 25 of 38

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93

Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP93

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP26-B

ATK High Performance Chevy LS 408 Short Blocks SP26-B

ATK High Performance Chevy LS 408 Short Blocks SP26-B

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

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Estimated Ship Date: Today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP38-B

ATK High Performance Chevy LS 408 Short Blocks SP38-B

ATK High Performance Chevy LS 408 Short Blocks SP38-B

Chevy LS 408 Boosted/NOS Short Block 24 Tooth +18cc Dish

Part Number: HPE-SP38-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

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ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

1 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ATK High Performance Chevy LQ4 6.7L 500 HP Long Block Crate Engines 408BOOSTLB

ATK High Performance Chevy LQ4 6.7L 500 HP Long Block Crate Engines 408BOOSTLB

ATK High Performance Chevy LQ4 6.7L 500 HP Long Block Crate Engines 408BOOSTLB

Crate Engines, GM 408 LQ4 550 HP Stage 1 Long Block, 6.7L/408, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-408BOOSTLB

Not Yet Reviewed

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ATK High Performance Chevy LS 408 Short Blocks SP36-B

ATK High Performance Chevy LS 408 Short Blocks SP36-B

ATK High Performance Chevy LS 408 Short Blocks SP36-B

Short Block Engine, Chevy LS 408 Short Block, Remanufactured, Assembled, Internal Balance, 9.240 in. Deck Height, Chevrolet, 6.7L, Each

Part Number: HPE-SP36-B

Not Yet Reviewed

Estimated Ship Date: Today

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ATK High Performance GM LQ4 6.0L with LS3 Heads 535 HP Base Long Block Crate Engines HP110

ATK High Performance GM LQ4 6.0L with LS3 Heads 535 HP Base Long Block Crate Engines HP110

ATK High Performance GM LQ4 6.0L with LS3 Heads 535 HP Base Long Block Crate Engines HP110

Crate Engine, GM LQ4, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 6.0L, LS3 Heads, Each

Part Number: HPE-HP110

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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ATK High Performance GM 408 LQ4 Stroker 600 HP Stage 1 Long Block Crate Engines LS01

ATK High Performance GM 408 LQ4 Stroker 600 HP Stage 1 Long Block Crate Engines LS01

ATK High Performance GM 408 LQ4 Stroker 600 HP Stage 1 Long Block Crate Engines LS01

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: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP36-G4-B

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: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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ATK High Performance Chevy LS 408 Short Blocks SP32-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP32-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP32-G4-B

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, Nitrous/Boost, 58 Tooth Reluctor, -4cc Flat Top Pistons, Each

Part Number: HPE-SP32-G4-B

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

Crate Engines, GM 365 LQ4 550 HP Stage 1 Long Block, 6.0L/364, Assembled, Internal Balance, Aluminum Cylinder Heads, Chevrolet, Small Block LS, Each

Part Number: HPE-LQ4-LB-1

Not Yet Reviewed

Estimated Ship Date: Today

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ATK High Performance Chevy LS 408 Short Blocks SP37-B

ATK High Performance Chevy LS 408 Short Blocks SP37-B

ATK High Performance Chevy LS 408 Short Blocks SP37-B

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

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Base Long Block Crate Engines HP116

Crate Engine, GM LM7, Long Block, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Each

Part Number: HPE-HP116

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI HP116C-EFI

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI HP116C-EFI

ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI HP116C-EFI

Crate Engine, GM LM7, Complete Engine, Internal Engine Balance, Aluminum Heads, Chevy, 5.3L, AFR Heads, Fitech EFI, Each

Part Number: HPE-HP116C-EFI

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93C-EFI

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93C-EFI

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines HP93C-EFI

Crate Engine, Chevy LQ4 6.0L, Long Block, Internal Engine Balance, FiTech EFI, Aluminum Heads, Each

Part Number: HPE-HP93C-EFI

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP31-B

ATK High Performance Chevy LS 408 Short Blocks SP31-B

ATK High Performance Chevy LS 408 Short Blocks SP31-B

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

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP38-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP38-G4-B

ATK High Performance Chevy LS 408 Short Blocks SP38-G4-B

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: Nov 21, 2025 if ordered today

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Estimated Ship Date: Nov 21, 2025 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance Chevy LS 408 Short Blocks SP32-B

ATK High Performance Chevy LS 408 Short Blocks SP32-B

ATK High Performance Chevy LS 408 Short Blocks SP32-B

Chevy LS 408 Boosted/NOS Short Block 58 Tooth 4cc Flat Top

Part Number: HPE-SP32-B

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

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ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271500

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271500

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271500

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: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

ATK High Performance Chevy 427 Dart Race Series Short Blocks SPE4271800

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

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance GM LM7/LS1 347CI 500 HP Stage 1 Long Block Crate Engines LM7-LB-2

ATK High Performance GM LM7/LS1 347CI 500 HP Stage 1 Long Block Crate Engines LM7-LB-2

ATK High Performance GM LM7/LS1 347CI 500 HP Stage 1 Long Block Crate Engines LM7-LB-2

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

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance GM LM7/LS1 383CI 515+ HP Stage 1 Long Block Crate Engines LM7-LB-3

ATK High Performance GM LM7/LS1 383CI 515+ HP Stage 1 Long Block Crate Engines LM7-LB-3

ATK High Performance GM LM7/LS1 383CI 515+ HP Stage 1 Long Block Crate Engines LM7-LB-3

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

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance GM 365 LQ9 550 HP Stage 1 Long Block Crate Engines LQ9-LB-1

ATK High Performance GM 365 LQ9 550 HP Stage 1 Long Block Crate Engines LQ9-LB-1

ATK High Performance GM 365 LQ9 550 HP Stage 1 Long Block Crate Engines LQ9-LB-1

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

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines LQ4-LB-1

Not Yet Reviewed

Estimated Ship Date: Today

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ATK High Performance Chevy LS 408 600 HP Long Block Crate Engines LS01C

ATK High Performance Chevy LS 408 600 HP Long Block Crate Engines LS01C

ATK High Performance Chevy LS 408 600 HP Long Block Crate Engines LS01C

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 408, Each

Part Number: HPE-LS01C

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

This product may not be eligible for select promotional offers

ATK High Performance GM 415 LS3 Stroker 620 HP Stage 1 Long Block Crate Engines LS02

ATK High Performance GM 415 LS3 Stroker 620 HP Stage 1 Long Block Crate Engines LS02

ATK High Performance GM 415 LS3 Stroker 620 HP Stage 1 Long Block Crate Engines LS02

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: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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ATK High Performance GM 415 LS3 Stroker 620 HP Stage 3 Long Block Crate Engines LS02C

ATK High Performance GM 415 LS3 Stroker 620 HP Stage 3 Long Block Crate Engines LS02C

ATK High Performance GM 415 LS3 Stroker 620 HP Stage 3 Long Block Crate Engines LS02C

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, LS, 415, Each

Part Number: HPE-LS02C

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

This product may not be eligible for select promotional offers

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