CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engines & Components

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9033

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Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L9037

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Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L00012

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Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0002

5.0 out of 5 stars ( 1 )

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Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L03012

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400806

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 10.9:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24407805

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Pro LS 4340 Rotating Assembly, 364 Cid., 3.810 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.7:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244081012

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Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APP-31V-AS

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Accessory Drive Systems, Serpentine Kits, Black Aluminum Pulleys, Alternator, Power Steering Pump, A/C Compressor, Water Pump, Chevrolet, 7.0L, Kit

Part Number: AAY-S0044

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Accessory Drive Systems, Serpentine Kits, Black Aluminum Pulleys, Alternator, Power Steering Pump, A/C Compressor, Water Pump, Chevrolet, 7.0L, Kit

Part Number: AAY-S0045

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Pistons, Speed of Air, Dimpled, 4032 Forged, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, PVD Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA552-070K1

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Crate Engine, Remanufactured, Long Block, Assembled, Buick, Chevrolet, GMC, Saab, 5.3L, Each

Part Number: VRE-VCX4

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Estimated Ship Date: Oct 1, 2025 if ordered today

• Core Charge $670.00
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LSX-LS9 Cylinder Head Assembly

Part Number: NAL-19419190

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Head, LSX-LS7, Assembled, CNC-Ported, 70cc Combustion Chamber, Aluminum, Natural Finish, 2.20 in. Intake Valve, Rectangular Intake Port, Each

Part Number: NAL-19419197

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Head, LSX-SC, As-Cast, 70cc Combustion Chamber, Bare, Aluminum, Natural, Chevy, Each

Part Number: NAL-19417408

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Estimated Ship Date: Dec 29, 2025 if ordered today

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LT1 CAM and Head Kit

Part Number: NAL-19333525

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, Speed of Air, Dimpled, 4032 Forged, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA552-070K2

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Pistons, Speed of Air, Dimpled Piston, 4032 Forged, 4.005 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA552-005K2

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Power Steering, SFI Damper, Hardware, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-181

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Tensioner, SFI Damper, Natrual Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-182

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Clockwise, Tensioner, SFI Damper, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-182BK

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Pulleys, 6-groove, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-187

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 508 A/C Only, Polished, Chevy, GMC, V8, Kit

Part Number: HLY-20-137P

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 22, 2025 if ordered today

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ATK High Performance Chevy LS 408 Short Block

Part Number: HPE-SP40

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Estimated Ship Date: Dec 1, 2025 if ordered today

• Core Charge $410.00
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