More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

Availability

ATK High Performance Engines Engine Assemblies

Individual Parts
Part Groups

Results 51 - 75 of 201

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

ATK High Performance Chevy Gen V LT1 416 Short Blocks SP104

Engine Assembly, Short Block, LT1/LT4, 6.8L/416, 4.065 in. Bore, 4.000 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP104

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 31, 2025 if ordered today

ATK High Performance Ford 302 350 HP Stage 3 Long Block Crate Engines HP08C

ATK High Performance Ford 302 350 HP Stage 3 Long Block Crate Engines HP08C

ATK High Performance Ford 302 350 HP Stage 3 Long Block Crate Engines HP08C

Engine Assembly, Stage 3 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP08C

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 13, 2025 if ordered today

ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines HP105

ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines HP105

ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines HP105

Engine Long Block, Chev 383 Stroker Marine HP Engine

Part Number: HPE-HP105

Not Yet Reviewed

...Loading

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: Oct 31, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 31, 2025 if ordered today

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94CBLK

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94CBLK

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94CBLK

CRATE ENGINE, Chev 383 415HP Black

Part Number: HPE-HP94CBLK

Not Yet Reviewed

...Loading

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94CPOL

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94CPOL

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines HP94CPOL

CRATE ENGINE, Chev 383 415HP Polished

Part Number: HPE-HP94CPOL

Not Yet Reviewed

...Loading

ATK High Performance Ford 302 365 HP Stage 2 Long Block Crate Engines HP78M

ATK High Performance Ford 302 365 HP Stage 2 Long Block Crate Engines HP78M

ATK High Performance Ford 302 365 HP Stage 2 Long Block Crate Engines HP78M

Engine Assembly, Stage 2 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP78M

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 27, 2025 if ordered today

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines HP89CBLK

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines HP89CBLK

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines HP89CBLK

CRATE ENGINE, Chev 350 390HP Black

Part Number: HPE-HP89CBLK

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 13, 2025 if ordered today

ATK High Performance Ford 302 300 HP Stage 3 Long Block Crate Engines HP79C

ATK High Performance Ford 302 300 HP Stage 3 Long Block Crate Engines HP79C

ATK High Performance Ford 302 300 HP Stage 3 Long Block Crate Engines HP79C

Engine Assembly, Stage 3 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP79C

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 2, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 2, 2025 if ordered today

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: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

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 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP26-G4

ATK High Performance Chevy LS 408 Short Blocks SP26-G4

ATK High Performance Chevy LS 408 Short Blocks SP26-G4

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

Part Number: HPE-SP26-G4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy LS 408 Short Blocks SP39-G4

ATK High Performance Chevy LS 408 Short Blocks SP39-G4

ATK High Performance Chevy LS 408 Short Blocks SP39-G4

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

Part Number: HPE-SP39-G4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 22, 2025 if ordered today

ATK High Performance Chevy 377 Stroker Short Blocks SP53NB

ATK High Performance Chevy 377 Stroker Short Blocks SP53NB

ATK High Performance Chevy 377 Stroker Short Blocks SP53NB

Engine, New Short Block, 377 CI,Cast Iron, 4.0 Bore, 3.750 Stroke, Forged H Beam Rod, Forged Aluminum Flat Top Pistons, Internal Balanced, Chevy, Each

Part Number: HPE-SP53NB

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 31, 2025 if ordered today

ATK High Performance Chevy Gen V 489/496 Short Blocks SP98

ATK High Performance Chevy Gen V 489/496 Short Blocks SP98

ATK High Performance Chevy Gen V 489/496 Short Blocks SP98

Short Block, Chevrolet Big Block Gen V 489/496 Stroker, Internally Balanced, Nodular Iron Crankshaft, +20cc Dome Pistons, Each

Part Number: HPE-SP98

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ATK High Performance Ford 302 365 HP Stage 2 Long Block Crate Engines HP08M

ATK High Performance Ford 302 365 HP Stage 2 Long Block Crate Engines HP08M

ATK High Performance Ford 302 365 HP Stage 2 Long Block Crate Engines HP08M

Engine Assembly, Stage 2 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP08M

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ATK High Performance Chrysler 5.7 Gen III Hemi 400 HP Long Block Crate Engines HP103

ATK High Performance Chrysler 5.7 Gen III Hemi 400 HP Long Block Crate Engines HP103

ATK High Performance Chrysler 5.7 Gen III Hemi 400 HP Long Block Crate Engines HP103

Crate Engines, Chrysler 5.7L Gen III Hemi 400 HP Long Block, 5.7L/345, Assembled, Aluminum Cylinder Heads, with MDS, Chrysler, Dodge, Jeep, 5.7L, Each

Part Number: HPE-HP103

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

ATK High Performance Chevy LQ4 6.0L Short Blocks SP19

Engine Assembly, Short Block, LQ4, Chevy, Small Block LS, 364, Each

Part Number: HPE-SP19

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

ATK High Performance GM 350 Vortec 350 HP Stage 1 Long Block Crate Engines HP32

Engine Assembly, Stage 1 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines HP32M

Engine Assembly, Stage 2 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each

Part Number: HPE-HP32M

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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

Engine Assembly, Crate Engine, TBI Truck Stroker, Long Block, 1-Piece Main Seal, Chevy, 383, Each

Part Number: HPE-HP05

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ATK High Performance Ford 347 Stroker 450 HP Stage 3 Long Block Crate Engines HP100C

ATK High Performance Ford 347 Stroker 450 HP Stage 3 Long Block Crate Engines HP100C

ATK High Performance Ford 347 Stroker 450 HP Stage 3 Long Block Crate Engines HP100C

Crate Engine, Ford 347 Stroker Stage 3, 450 HP, Long Block, External Engine Balance, Aluminum Heads, Each

Part Number: HPE-HP100C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify