CHEVROLET Engines & Components

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, 382 Cid., 3.898 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244089816

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Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 24X, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R244090316

3.5 out of 5 stars ( 2 )

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Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600012

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Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400706

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244007521

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400756

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Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R584090316

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Pro LS 4340 Rotating Assembly, 383 Cid., 3.903 bore, 4.000 stroke, 58x, 6.125 rod, 5cc dish, 10.9:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R58409035

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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, PVD Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA552-005K1

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Pistons, Speed of Air, Dimpled Piston, 4032 Forged, 4.030 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, PVD Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA552-030K1

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Crate Engine, Remanufactured, Long Block, Assembled, Buick, Chevrolet, GMC, Isuzu, Saab, 4.2L/256, Each

Part Number: VRE-DCVC

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Estimated Ship Date: Nov 6, 2025 if ordered today

• Core Charge $420.00
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Crate Engine, Remanufactured, Long Block, Assembled, Buick, Chevrolet, Oldsmobile, Pontiac, 3.4L/207, Each

Part Number: VRE-DCW5

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Estimated Ship Date: Nov 6, 2025 if ordered today

• Core Charge $395.00
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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: Nov 5, 2025 if ordered today

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Connecting Rod, Ultra, I-beam, Forged 4330 Steel, 6.350 in. Length, Cap Screw, ARP Custom Aged Bolts, Bushed, Chevy, Small Block, LS, Each

Part Number: CPI-U17178CAMOD

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM14A-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO11A-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO14A-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Connecting Rods, Ultra, I-beam, Forged 4330 Steel, 6.125 in. Length, Floating, Chevy, Small Block, Set of 8

Part Number: CPI-U14140

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Connecting Rods, Ultra Enforcer, Forged 4340 Steel, I-Beam, Cap Screw, ARP L19 Alloy, Bushed, 6.200 in. Length, Chevy, Small Block, Set of 10

Part Number: CPI-U14245-V10

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 5.000 in. Stroke, 7.000 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBV42B-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBB42B-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAM21A-MG

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Estimated Ship Date: Dec 22, 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: Nov 4, 2025 if ordered today

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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: Oct 13, 2025 if ordered today

• Core Charge $510.00
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