CHEVROLET Chevy small block Gen III/IV (LS-based engines) Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 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-R24400656

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Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 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-R244007021

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Estimated Ship Date: Monday 7/14/2025

Engine Rotating Assembly, Street/Strip, Forged Piston, Forged Crank, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B627004000

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L0302

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Estimated Ship Date: Monday 7/14/2025

Engine Rebuild, Hypereutectic Dish Top, Plasmamoly Rings, Stock Bore, Bearings, Chevy, LS, Kit

Part Number: CMB-08-0072

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Estimated Ship Date: Monday 7/14/2025

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Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR3600512

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Estimated Ship Date: Monday 7/14/2025

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ROTATING ASSEMBLY KIT-LS 402 4.000/4.005 -4cc F/

Part Number: MAN-29402R

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.075 bore, 4.000 stroke, 58x, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400756

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L07012

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Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400058

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58367807

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Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400408

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

Pro LS Rotating Assembly, 325 Cid, 3.780 bore, Standard 3.622 stroke, 24X, 6.098 rod, 2cc dome,10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R24367802

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Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L03012

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Estimated Ship Date: Monday 7/14/2025

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: Monday 7/14/2025

Pro LS 4340 Piston and Rod Kit, 415 Cid., 4.065 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400656

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Estimated Ship Date: Monday 7/14/2025

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Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.070 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L07012

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Estimated Ship Date: Monday 7/14/2025

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 428 Small Block, Kit

Part Number: SCA-1-44706BI

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Estimated Ship Date: Sep 15, 2025 if ordered today

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KIT-LS 415 4.000/4.070 18cc DI

Part Number: MAN-28415R

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 408 Small Block, Kit

Part Number: SCA-1-44005BI

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 383 Small Block, Kit

Part Number: SCA-1-44000BI

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584006521

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Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 bore, 3.622 stroke, 58x, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0652

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Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 376 Cid., 4.065 bore, 3.622 stroke, 58x, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L06512

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Estimated Ship Date: Monday 7/14/2025

Pro LS 4340 Rotating Assembly, 402 Cid., 4.000 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400008

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Estimated Ship Date: Monday 7/14/2025