CHEVROLET ATK High Performance Engines Engines & Components

Crate Engine, GM LM7, Long Block, Hydraulic Roller, 1-Piece RMS, Internal Engine Balance, with AFR Aluminum Heads, 58x Setup, Chevy, 5.3L, Each

Part Number: HPE-HP116-G4

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Estimated Ship Date: May 29, 2026 if ordered today

• Core Charge $285.00
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Cylinder Head, 255cc, Intake Runner, 69 cc Combustion Chamber Volume, Assembled, 2.160 Intake Valve Diameter, Angled Plug, LS, Chevy Each.

Part Number: HPE-2CT13S1

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Estimated Ship Date: Tomorrow

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Cylinder Head, 290cc BBC, Aluminum, 113cc Chamber, 294cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC290

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Estimated Ship Date: May 29, 2026 if ordered today

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CHEVY 377 STROKER SHORT BLOCK

Part Number: HPE-SP15NB

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Estimated Ship Date: May 28, 2026 if ordered today

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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

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Estimated Ship Date: Tomorrow

• Core Charge $285.00
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Crate Engine, Complete Long Block, Aluminum Heads, Hydraulic Roller Camshaft, Chevy, 383, Each

Part Number: HPE-HP101C

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

• Core Charge $510.00
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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP38

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• Core Charge $410.00
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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: Tomorrow

• Core Charge $510.00
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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: Tomorrow

• Core Charge $510.00
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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

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Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: HPE-HP109

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Core Charge $560.00
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CHEV 632 BB COMP/DYNO

Part Number: HPE-HP108C

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Estimated Ship Date: May 21, 2026 if ordered today

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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

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Estimated Ship Date: May 29, 2026 if ordered today

• Core Charge $560.00
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Cylinder Head, 315cc BBC, Aluminum, 120cc Chamber, 315cc Runner, 2.250 in. Intake Valve, 1.880 in. Exhaust Valve, 0.675 in. Max Lift, Chevy, Each

Part Number: HPE-HPBBC315

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Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: HPE-HP101

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Estimated Ship Date: May 29, 2026 if ordered today

• Core Charge $510.00
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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

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Estimated Ship Date: May 27, 2026 if ordered today

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

Part Number: HPE-SP76

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Estimated Ship Date: May 27, 2026 if ordered today

• Core Charge $285.00
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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: May 29, 2026 if ordered today

• Core Charge $510.00
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Cylinder Head, 250cc LS1/LS6, Aluminum, 61cc Chamber, 250cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS1250

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Estimated Ship Date: May 29, 2026 if ordered today

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Cylinder Head, 260cc LS3, CNC Ported, 6 Bolt, 70cc Chamber, 260cc Runner, 2.165 in. Intake , 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3260

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Estimated Ship Date: May 29, 2026 if ordered today

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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

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Estimated Ship Date: May 29, 2026 if ordered today

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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

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Estimated Ship Date: May 29, 2026 if ordered today

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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

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Estimated Ship Date: May 29, 2026 if ordered today

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

Part Number: HPE-SP44

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Estimated Ship Date: May 29, 2026 if ordered today

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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

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Estimated Ship Date: May 29, 2026 if ordered today

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