ATK High Performance Engines Engine Assemblies

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

Part Number: HPE-SP31-B

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Core Charge $410.00
• Drop Ship
• Free Shipping
• Special Order

Crate Engine, Base Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each

Part Number: HPE-HP101

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Core Charge $410.00
• Free Shipping
• Special Order

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

Part Number: HPE-SP80

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

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: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Core Charge $460.00
• Free Shipping

Crate Engine, GM 350, Stage 2, Long Block, Internal/External Engine Balance, Cast Iron Heads, Chevrolet, 350 CID, Each

Part Number: HPE-HP291PM

3.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Core Charge $510.00
• Free Shipping

Crate Engine, Chrysler 408 Stroker Magnum 465 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Dodge, 6.7L

Part Number: HPE-HP46C-MAG

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Core Charge $260.00
• Free Shipping

Crate Engine, Ford 427 C.I.D. 545 HP, Complete Engine, 4-bolt Mains, 10.4:1 Compression, Dart SHP Block, Aluminum Cylinder Heads, Ford, Windsor, Each

Part Number: HPE-HP112CBLK

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, LT1/LT4, 6.2L/376, 4.065 in. Bore, 3.622 in. Stroke, Forged Pistons, Two Valve Relief, 58 Tooth, Chevy, Gen V, LT, Each

Part Number: HPE-SP103

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, Assembled, Internal Balance, 1-Piece Rear Main Seal Style, Dart SHP Block, 427 C.I.D., Ford, Each

Part Number: HPE-SP112

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, 2-Piece Main Seal, Chevy, Big Block, 540, Each

Part Number: HPE-SP44

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Chevy LM-7/LS 347CI Short Block +11cc Dished Pistons 24 Tooth

Part Number: HPE-SP76

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $285.00
• Drop Ship
• Free Shipping
• Special Order

Short Block, Chrysler Gen III 392, Internally Balanced, +2cc Flat Pistons, Each

Part Number: HPE-SP97

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $460.00
• Drop Ship
• Free Shipping
• Special Order

SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

ENGINE BLOCK

Part Number: HPE-SPE3881800

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CHEV 632 BB COMP/DYNO

Part Number: HPE-HP108C

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HPE-HP116-G4

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $285.00
• Drop Ship
• Free Shipping
• Special Order

Crate Engines, Chrysler 408 Stroker Magnum 465 HP Stage 2 Long Block, 6.7L/408, Assembled, Intake Manifold, Aluminum Heads, Dodge, 6.7L Magnum, Each

Part Number: HPE-HP46M-MAG

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $260.00
• Drop Ship
• Free Shipping
• Special Order

CRATE ENGINE, Chev 383 415HP Black

Part Number: HPE-HP94CBLK

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

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

Part Number: HPE-HP107C

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

CRATE ENGINE

Part Number: HPE-HPLH6N

Not Yet Reviewed

• Core Charge $560.00
• Free Shipping
• Special Order

Crate Engine, GM 496 Stroker 600 HP Stage 3 Long Block, Assembled, Hydraulic Roller Tappet, Internal Balance, Aluminum Heads, Chevy, 7.4L, 8.1L, Each

Part Number: HPE-HP631PC

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

• Core Charge $600.00
• Free Shipping
• Special Order