Engines & Components

Pro LS 4340 Rotating Assembly, 347 Cid., 3.903 bore, 3.622 stroke, 24X, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit ring, H Bearing

Part Number: SUM-R24369033

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 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-R24407855

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 24X, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R24367807

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Pro LS Rotating Assembly, 326 Cid., 3.785 bore, Standard 3.622 stroke, 24X, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L7857

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Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244000020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 bore, 3.622 stroke, 24X, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit ring, H Bearings

Part Number: SUM-R24368983

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 346 Cid., 3.898 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-R2436L8983

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Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R243603012

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Pro LS Rotating Assembly, 330 Cid., 3.810 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8102

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Dodge, 392 Small Block, Kit

Part Number: SCA-1-48507

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Pulley Kit, Serpentine, Aluminum, Chrome, Power Steering, Chevrolet Small Block, Short Water Pump, Kit

Part Number: MCH-21090-06

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Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244082012

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Pro LS 4340 Rotating Assembly, 367 Cid., 3.820 bore, 4.000 stroke, 24X, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R24408205

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-12008040

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Engine Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-45360

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Accessory Drive System, Serpentine, 6-groove, Machined Finished, Power Steering, Air Conditioning, Chrysler, Dodge, Plymouth, Small Block, Kit

Part Number: AAY-FDS-318-301

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 22, 2025 if ordered today

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CONNECTING ROD SET

Part Number: CPI-U18235-CA

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crate Engine, Remanufactured, Long Block, Assembled, Buick, Chevrolet, Oldsmobile, Pontiac, 3.8L/231, Each

Part Number: VRE-DB57

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Estimated Ship Date: Nov 19, 2025 if ordered today

• Core Charge $370.00
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Rotating Assembly 355 CHEVY

Part Number: SCA-1-41605BIE

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Pulleys, Serpentine, Performance Ratio, Billet Aluminum, Black Powdercoated, Chevy, 305, 350, Kit

Part Number: MCH-21135-08

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Pro LS Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit ring, H Bearings

Part Number: SUM-R2436L0002

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BALANCED PRO STREET ASSY CHEV 4.8/5.3 LS

Part Number: ESP-B627003780

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5TO-31V-AS

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Estimated Ship Date: Today

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4340 Forged Pro Series Lightweight

Part Number: SCA-445430C-2

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Pulleys, Revolver, Performance Ratio, Billet Aluminum, Chrome Alternator, Chrome Power Steering, Clear Powdercoated, Chevy, Small Block, Set

Part Number: MCH-21175

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Estimated Ship Date: Nov 20, 2025 if ordered today

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