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

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: Aug 4, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 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-R584008021

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Estimated Ship Date: Aug 4, 2025 if ordered today

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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: Aug 4, 2025 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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Estimated Ship Date: Aug 4, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244078012

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 370 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L04012

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod,12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07012

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244078512

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 370 Cid., 4.040 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L04012

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, 6.0L LS, Kit

Part Number: ESP-129264005

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, 6.2L LS, Kit

Part Number: ESP-129464005

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Estimated Ship Date: Sep 2, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-129524125

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Estimated Ship Date: Sep 2, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-128224005

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Cylinder Heads, BR Series, CNC Ported Aluminum, Bare, Chevy, Pontiac, LSX Engines, Pair

Part Number: BRO-1178000

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Cylinder Heads, BR Series, CNC Ported Aluminum, Assembled, Chevy, Pontiac, LSX Engines, Pair

Part Number: BRO-1178100

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Estimated Ship Date: Sep 22, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-129813800

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, 6.2L LS, Kit

Part Number: ESP-129464030

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, 6.0L LS, Kit

Part Number: ESP-129104010

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Estimated Ship Date: Sep 2, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-128783800

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Estimated Ship Date: Sep 2, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-128803800

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Estimated Ship Date: Sep 2, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-128813800

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Estimated Ship Date: Sep 2, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-129783800

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Estimated Ship Date: Sep 2, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-129803800

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Cylinder Heads, BR Series, Aluminum, Assembled, Chevy, Pontiac, LSX Engines, Pair

Part Number: BRO-1171000

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, 6.0L LS, Kit

Part Number: ESP-129264030

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Estimated Ship Date: Sep 2, 2025 if ordered today

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