CHEVROLET Engines & Components

ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

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Estimated Ship Date: Dec 29, 2025 if ordered today

• Core Charge $410.00
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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 3.750 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Bare Block, Cast Iron, LS Mains, 4.00 in. Bore, 9.24 in. Deck Height, Each

Part Number: DRT-31867112

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Engine Block, LSX Bowtie, Bare, Cast Iron, 6-bolt Main Bolt Style, 9.720 in Tall Deck, Semi Finished, Chevy, Each

Part Number: NAL-19417354

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, 350, Each

Part Number: ESP-435036255700

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Accessory Drive Systems, LT Mid-Mount, Serpentine, Alternator, Power Steering, AC, Water Pump, Pulleys, 6-groove, Polished, Chevy, 5.3L, 6.2L, Kit

Part Number: HLY-20-200P

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Estimated Ship Date: Oct 27, 2025 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: Jan 5, 2026 if ordered today

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Cylinder Heads, Cast Iron, Bare, 64cc Chamber, 185cc Intake Runner, Straight Plug, Chevy, Small Block, Pair

Part Number: PMX-2150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

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Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, A/C, Water Pump, Power Steering, SFI Damper, Polished Finish, Chevy, 4.8-6.2, Kit

Part Number: HLY-20-180P

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Engine Block, Bare, Cast Iron, 4-Bolt Mains, 4.494 in. Diameter Bore, 2-Piece Rear Main Seal, 10.200 in. Tall Deck, Chevy, Big Block, Each

Part Number: NAL-19212194

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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350 1-PC REAR SEAL STD WEIGHT

Part Number: SCA-435076L

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Cylinder Head, Black Label, 70cc Combustion Chamber, Assembled, 2.250 in. Intake Valve, 1.600 in. Exhaust Valve, Chevy, LS, Pair

Part Number: MML-CHLSX600378

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 400, Each

Part Number: SCA-440050

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Accessory Drive Systems, Mid-mount, Serpentine, Alternator, Power Steering, AC, Water Pump, Black, Pulleys, 6-groove, Chevy, 6.2L, Gen V, LT5, Kit

Part Number: HLY-20-230BK

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Estimated Ship Date: Today

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

Part Number: HPE-SP80

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Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $285.00
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Cylinder Head Combo, Top-End, Chevy, Big Block, Dual Plane Intake, Race-Rite 26 Degree Heads, Kit

Part Number: BRO-99920143

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Bare Blocks, Dart Big M Series, Cast Iron, 9.80 in. Deck Height, 4.250 Bore, 4-Bolt Main, 2 Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223344

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Bare Blocks, Dart Big M Sportsman Series, Cast Iron,10.200 in. Deck Height, 4.560 in,Bore,4-Bolt Main,2-Piece Rear Main Seal, Big Block, Chevy, Each

Part Number: DRT-31223554

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, AC, Pulleys, 6-groove, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-190

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Crate Engine, Remanufactured, Long Block, Assembled, Chevrolet, GMC. Hummer, Isuzu, 3.7L/223, Each

Part Number: VRE-DCT28

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Estimated Ship Date: Nov 19, 2025 if ordered today

• Core Charge $570.00
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Engine Rotating Assembly, Superlight, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-40580

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Cylinder Heads, Track I, Aluminum, Assembled, 64cc Chamber, 245cc Intake Runner, Chevy, 302, 327, 350, 400, Pair

Part Number: BRO-1008109

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron 4-Bolt Mains, 4.500 in. Bore, 1-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091105

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 7, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 9.800 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091102

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Estimated Ship Date: Nov 7, 2025 if ordered today

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Engine Block, Cast Iron, Nodular Iron Splayed 4-Bolt Mains, 4.595 in. Bore, 2-Piece Seal, 10.200 in. Deck, Chevy, Big Block, Each

Part Number: WRL-091112

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Estimated Ship Date: Nov 10, 2025 if ordered today

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