Engine Kits & Rotating Assemblies

Pro LS 4340 Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L00512

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Estimated Ship Date: Today

COMPETITION ASSEMBLY CHEV LS 4.8/5.3

Part Number: ESP-127623810

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Estimated Ship Date: Jan 23, 2026 if ordered today

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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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Estimated Ship Date: Tomorrow if ordered today

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Rotating Assembly 355 CHEVY

Part Number: SCA-1-41630BIE

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Estimated Ship Date: Feb 9, 2026 if ordered today

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

Part Number: SCA-1-42454

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0052

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Estimated Ship Date: Today

Pro LS Rotating Assembly, 365 Cid., 4.005 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360052

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Estimated Ship Date: Today

COMPETITION ASSEMBLY CHEV LS2

Part Number: ESP-127744010

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Estimated Ship Date: Jan 23, 2026 if ordered today

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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: Feb 9, 2026 if ordered today

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BALANCED COMPETITION ASSEMBLY CHEV 350

Part Number: ESP-B12305060

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Rotating Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 1 pc, /2 pc. Seal, Ford, 347

Part Number: ESP-14006-125

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, H-Beam Rods, Ford, Big Block FE, Kit

Part Number: SCA-1-94624BI

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Engine Rotating Assembly, Forged 4340 Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-47353BI

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Estimated Ship Date: Feb 9, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV 454

Part Number: ESP-11421L060

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Estimated Ship Date: Jan 26, 2026 if ordered today

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BALANCED COMPETITION ASSEMBLY CHEV 350

Part Number: ESP-B12302060

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Estimated Ship Date: Dec 22, 2025 if ordered today

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SBC Forged 427 Balanced Assembly, 4 in. stroke, 350 main, 2 pc. RMS, H-Beam Rod, Forged Piston 11.2:1@ 58cc, 10.5:1@64cc, 10.25:1@67cc, 9.75:1@72cc

Part Number: SUM-SBC427RB125

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Estimated Ship Date: Today

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

Part Number: ESP-B12302L030

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Estimated Ship Date: Feb 9, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B12302030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV 327

Part Number: ESP-12323000

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Estimated Ship Date: Jan 23, 2026 if ordered today

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CHEVY 350 ROTATING ASSEMBLY

Part Number: ESP-12020030

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Estimated Ship Date: Jan 21, 2026 if ordered today

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CHEVY 350 ROTATING ASSEMBLY

Part Number: ESP-12020060

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: SCA-1-47410

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Estimated Ship Date: Feb 12, 2026 if ordered today

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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: Jan 16, 2026 if ordered today

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

Part Number: SCA-1-40755BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-B64003030

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Estimated Ship Date: Jan 26, 2026 if ordered today

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