Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078012

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Estimated Ship Date: Tomorrow if ordered today

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Engine Kit, Dish-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483005000

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Cannot be shipped Internationally if ordered today

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 58x, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L8202

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078512

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Pro LS 4340 Piston and Rod Kit, 360 Cid., 3.785 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4078512

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Engine Kit, Crank, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 360, Kit

Part Number: SES-3486006050

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Pro LS 4340 Piston and Rod Kit, 410 Cid., 4.040 bore, 4.000 stroke, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4004020

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Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244004020

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Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584000520

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Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4008021

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VERTEX PISTON KIT

Part Number: VPX-24243B

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Pro LS 4340 Piston and Rod Kit, 382 Cid., 3.898 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4089816

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 58x, 6.098 rod, 7cc dish, 9.9:1 @ 61cc, 9.4:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R58368207

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Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584004020

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Estimated Ship Date: Tomorrow if ordered today

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ProX Engine Kit Plrs. Sptsmn 800 '11-14

Part Number: PXR-10-EK5806-A1

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Estimated Ship Date: Apr 8, 2026 if ordered today

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BTR L86/LT1 6.2 DROP IN PISTON SET 4.065" BORE 3.622" STROKE 6.125" ROD

Part Number: BTC-P376125DI8

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Estimated Ship Date: Mar 30, 2026 if ordered today

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ProX Engine Kit Plrs. RZR 800 '11-14

Part Number: PXR-10-EK5805-A1

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Estimated Ship Date: Apr 8, 2026 if ordered today

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ProX Engine Kit Plrs. RZR800 '08-10

Part Number: PXR-10-EK5806-A

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Estimated Ship Date: Apr 8, 2026 if ordered today

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ProX Engine Kit Plrs. RZR 800 '11-14

Part Number: PXR-10-EK5805-B1

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Estimated Ship Date: Apr 8, 2026 if ordered today

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ProX Engine Kit Plrs. Sptsmn800HO '08-09

Part Number: PXR-10-EK5805-A

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Estimated Ship Date: Apr 8, 2026 if ordered today

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ProX Engine Kit Plrs. Sptsmn 800 '11-14

Part Number: PXR-10-EK5806-B1

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Estimated Ship Date: Apr 6, 2026 if ordered today

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ProX Engine Kit Plrs. RZR 800 '11-14

Part Number: PXR-10-EK5805-C1

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Estimated Ship Date: Apr 6, 2026 if ordered today

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ProX Engine Kit Plrs. Sptsmn800HO '08-09

Part Number: PXR-10-EK5805-C

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Estimated Ship Date: Apr 6, 2026 if ordered today

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ProX Engine Kit Plrs. Sptsmn 800 '11-14

Part Number: PXR-10-EK5806-C1

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Estimated Ship Date: Apr 6, 2026 if ordered today

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ProX Engine Kit Plrs. RZR800 '08-10

Part Number: PXR-10-EK5806-B

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Estimated Ship Date: Apr 6, 2026 if ordered today

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