ATK High Performance Engines Parts and Accessories

Engine Assembly, Stage 1 Crate Engine, Long Block, Ford, Small Block, 302, Each

Part Number: HPE-HP08

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Core Charge $550.00
• Drop Ship
• Free Shipping
• Special Order

Crate Engine, Mopar 360 Small Block Stage 2, 320 HP, Long Block, External Engine Balance, Magnum Heads, Each

Part Number: HPE-HP73M

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Core Charge $260.00
• 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: Jan 8, 2026 if ordered today

• Drop Ship
• 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: Dec 22, 2025 if ordered today

• Core Charge $285.00
• Free Shipping
• Special Order

Cylinder Head, SBC, Aluminum, 66cc Chamber, 219cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Chevy, Each

Part Number: HPE-HPSBC220

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Nov 4, 2025 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

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

Part Number: HPE-HP81C

Not Yet Reviewed

Estimated Ship Date: Monday 10/13/2025

• Core Charge $550.00
• Free Shipping

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: Monday 10/13/2025

• Core Charge $510.00
• Free Shipping

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: Monday 10/13/2025

• Core Charge $560.00
• Free Shipping

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 )

Estimated Ship Date: Monday 10/13/2025

• Core Charge $510.00
• Free Shipping

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: Dec 22, 2025 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

Crate Engine Ford 302CI Engine 300HP Fox Pan Complete EFI

Part Number: HPE-HP06C-EFI

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $550.00
• Free Shipping
• Special Order

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: Oct 13, 2025 if ordered today

• Core Charge $510.00
• Free Shipping
• Special Order

Cylinder Head, 270cc LS3, CNC Ported, 6 Bolt, 72cc Chamber, 273cc Runner, 2.165 in. Intake, 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3270

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Cylinder Head, 185cc SBF, Aluminum, 58cc Chamber, 190cc Runner, 2.020 in. Intake Valve, 1.600 in. Exhaust Valve, 0.625 in. Max Lift, Ford, Each

Part Number: HPE-HPSBF185

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

HP ENGINE

Part Number: HPE-SP100

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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-SP105

Not Yet Reviewed

Estimated Ship Date: Jan 8, 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: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, 58 Tooth Reluctor Wheel, Hypereutectic Pistons, LM7, 330 CID, Chevy, LS, Each

Part Number: HPE-SP115

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Core Charge $175.00
• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HPE-SP37-B

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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

Short Block, Chevrolet LS Gen IV 408 Stroker, Internally Balanced, 24 Tooth Reluctor, +10cc Dish Pistons, Each

Part Number: HPE-SP37-G4

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Core Charge $410.00
• 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: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Assembly, Short Block, Stroker, 1-Piece Main Seal, Mopar, Small Block Magnum, 408, Each

Part Number: HPE-SP57

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

• Core Charge $370.00
• Drop Ship
• Free Shipping
• Special Order

SHORT BLOCK ENGINE

Part Number: HPE-SPE3881500

Not Yet Reviewed

Estimated Ship Date: Jan 8, 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: Jan 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order