Filters

Selected Filters

Filter Results by Vehicle

Loading...

Availability

ATK High Performance Engines

CHEVROLET 6.3L/383 ATK High Performance Engines Parts and Accessories

Individual Parts
Part Groups

Results 1 - 25 of 30

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines HP94M

Crate Engine, GM 383 Stroker Stage 2, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94M

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

ATK High Performance GM 383 Stroker 415 HP Stage 1 Long Block Crate Engines HP94

Crate Engine, GM 383 Stroker Stage 1, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines HP55C

Crate Engine, GM 383 Stroker 500HP Stage 3, Long Block, Aluminum Heads, Intake Manifold, Carburetor, Each

Part Number: HPE-HP55C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 8, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 8, 2026 if ordered today

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

Engine Assembly, Stage 1 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP36

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines HP90

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

...Loading

Estimated Ship Date: Today

ATK High Performance Chevy LM7 383 Short Blocks SP78

ATK High Performance Chevy LM7 383 Short Blocks SP78

ATK High Performance Chevy LM7 383 Short Blocks SP78

Short Block Engine, LM7 383, Chevy LS, Forged Crank, Forged Piston, Dish, +15 Piston Head Volume, I-Beam Rods, 6-Bolt Main, Internal Balance, Each

Part Number: HPE-SP78

Not Yet Reviewed

...Loading

ATK High Performance GM 383 TBI Stroker 320 HP Stage 1 Long Block Crate Engines HP05

ATK High Performance GM 383 TBI Stroker 320 HP Stage 1 Long Block Crate Engines HP05

ATK High Performance GM 383 TBI Stroker 320 HP Stage 1 Long Block Crate Engines HP05

Crate Engine, Long Block, TBI Stroker, 1-Piece Rear Main Seal, Hydraulic Roller, 9.5:1 Compression Ratio, Cast Iron, Chevy, 383, Truck, Each

Part Number: HPE-HP05

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATK High Performance GM 383 Vortec 390 HP Stage 3 Long Block Crate Engines HP33C

ATK High Performance GM 383 Vortec 390 HP Stage 3 Long Block Crate Engines HP33C

ATK High Performance GM 383 Vortec 390 HP Stage 3 Long Block Crate Engines HP33C

Engine Assembly, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP33C

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

BluePrint Engines 383 C.I.D Stroker 1996-2000 GM Vortec Truck/SUV Crate Engines BP38350CT1

BluePrint Engines 383 C.I.D Stroker 1996-2000 GM Vortec Truck/SUV Crate Engines BP38350CT1

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

ATK High Performance Chevy 383 Stroker Race Series Short Blocks SP35

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

...Loading

Estimated Ship Date: Today

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI HP36C-EFI

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI HP36C-EFI

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI HP36C-EFI

Crate Engine, GM 383 Stroker Stage 3, 435 HP, Long Block, External/Internal Engine Balance, Aluminum Heads, EFI, Each

Part Number: HPE-HP36CEFI

2.0 out of 5 stars ( 1 )

...Loading

Need It Sooner? We recommend these similar substitute parts:

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines HP36

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

ATK High Performance GM 383 Stroker 435 HP Stage 2 Long Block Crate Engines HP36M

ATK High Performance GM 383 Stroker 435 HP Stage 2 Long Block Crate Engines HP36M

ATK High Performance GM 383 Stroker 435 HP Stage 2 Long Block Crate Engines HP36M

Engine Assembly, Stage 2 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP36M

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

ATK High Performance Chevy 383 Stroker Short Blocks SP53

ATK High Performance Chevy 383 Stroker Short Blocks SP53

ATK High Performance Chevy 383 Stroker Short Blocks SP53

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

Part Number: HPE-SP53

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATK High Performance Chevy 377 Stroker Short Blocks SP52NB

ATK High Performance Chevy 377 Stroker Short Blocks SP52NB

ATK High Performance Chevy 377 Stroker Short Blocks SP52NB

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

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines with EFI HP55C-EFI

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines with EFI HP55C-EFI

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines with EFI HP55C-EFI

Crate Engines, GM 383 Stroker 500 HP Stage 3 Long Block with EFI, 6.3L/383, Assembled, Aluminum Heads, FiTech EFI System, Chevy, Small Block, Each

Part Number: HPE-HP55C-EFI

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines HP36C

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines HP36C

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines HP36C

Crate Engine, Stage 3 Crate Engine, Long Block, 1-Piece Main Seal, Chevy, Small Block, 383, Each

Part Number: HPE-HP36C

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines with EFI HP94C-EFI

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines with EFI HP94C-EFI

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines with EFI HP94C-EFI

Crate Engine, GM 383 Stroker Stage 3 with EFI, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94C-EFI

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

ATK High Performance GM 383 Stroker 500 HP Stage 2 Long Block Crate Engines HP55M

ATK High Performance GM 383 Stroker 500 HP Stage 2 Long Block Crate Engines HP55M

ATK High Performance GM 383 Stroker 500 HP Stage 2 Long Block Crate Engines HP55M

Crate Engine, GM 383 Stroker 500HP Stage 2, Long Block, Aluminum Heads, Intake Manifold, Each

Part Number: HPE-HP55M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 27, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 27, 2026 if ordered today

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94C

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94C

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94C

Crate Engine, GM 383 Stroker Stage 3, Long Block, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP94C

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines HP55

ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines HP55

ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines HP55

Crate Engine, GM 383 Stroker 500HP Stage 1, Long Block, Aluminum Heads, Each

Part Number: HPE-HP55

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

ATK High Performance Chevy LM7 383 Short Blocks SP80

ATK High Performance Chevy LM7 383 Short Blocks SP80

ATK High Performance Chevy LM7 383 Short Blocks SP80

Chevy LM7 383CI Short Block +3cc Flat Top Pistons 24 Tooth

Part Number: HPE-SP80

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

ATK High Performance Chevy 377 Stroker Short Blocks SP35NB

ATK High Performance Chevy 377 Stroker Short Blocks SP35NB

ATK High Performance Chevy 377 Stroker Short Blocks SP35NB

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

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 2026 if ordered today

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: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

ATK High Performance Chevy LM7 383 Short Blocks SP77

ATK High Performance Chevy LM7 383 Short Blocks SP77

ATK High Performance Chevy LM7 383 Short Blocks SP77

Chevy LM7 383CI Short Block +8cc Dished Pistons 24 Tooth

Part Number: HPE-SP77

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

ATK High Performance Chevy LM7 383 Short Blocks SP79

ATK High Performance Chevy LM7 383 Short Blocks SP79

ATK High Performance Chevy LM7 383 Short Blocks SP79

Chevy LM7 383CI Short Block +32cc Dished Pistons 24 Tooth

Part Number: HPE-SP79

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 13, 2026 if ordered today

ATK High Performance GM 383 Stroker 525 HP Stage 1 Long Block Crate Engines HP107

ATK High Performance GM 383 Stroker 525 HP Stage 1 Long Block Crate Engines HP107

ATK High Performance GM 383 Stroker 525 HP Stage 1 Long Block Crate Engines HP107

Crate Engine, GM 383 Stroker, Long Block, Base, Internal/External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP107

Not Yet Reviewed

...Loading