Engine Kits & Rotating Assemblies

ROTATING ASSEMBLY

Part Number: ESP-B12302030

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Estimated Ship Date: Dec 17, 2026 if ordered today

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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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Estimated Ship Date: Tomorrow

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 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-R244006521

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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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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24360302

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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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ROTATING ASSEMBLY

Part Number: ESP-B1612603057

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-94165BE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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COMP ROTATING ASSY

Part Number: ESP-12077030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 2026 if ordered today

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Street Performance, Series 9000 Rotating Assembly

Part Number: SCA-1-94662BI

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Estimated Ship Date: Dec 28, 2026 if ordered today

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Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: SCA-1-94060BE

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Estimated Ship Date: Jan 4, 2027 if ordered today

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

Part Number: SCA-1-40570BI

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ROTATING ASSEMBLY KIT-BBC 632 4.750/4.600 43cc D

Part Number: MAN-29632R

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Estimated Ship Date: Dec 7, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV 396

Part Number: ESP-183024155

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Estimated Ship Date: Dec 14, 2026 if ordered today

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Engine Crankshaft Rotating Assembly, BALANCED Street & Strip Rotating Assembly OLDS 45

Part Number: ESP-B42104031

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Estimated Ship Date: Feb 9, 2027 if ordered today

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Engine Rotating Assembly, Balanced, Competition, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Pontiac, Big Block, 400, Kit

Part Number: ESP-B515004155

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Estimated Ship Date: Dec 10, 2026 if ordered today

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

Part Number: SCA-1-47606BI

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Estimated Ship Date: Dec 18, 2026 if ordered today

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

Part Number: SCA-1-47604BI

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Estimated Ship Date: Dec 31, 2026 if ordered today

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Engine Rotating Assembly, Balanced, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Modular V8, Kit

Part Number: SCA-1-47806BI

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Estimated Ship Date: Dec 31, 2026 if ordered today

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CHEVY 400 ROTATING ASSEMBLY

Part Number: ESP-35610000

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Estimated Ship Date: Dec 10, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS7

Part Number: ESP-128264125

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Estimated Ship Date: Dec 10, 2026 if ordered today

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

Part Number: ESP-B21201055

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Estimated Ship Date: Dec 10, 2026 if ordered today

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Competition, Standard Weight Forged Rotating Assembly

Part Number: SCA-1-43281BI

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Estimated Ship Date: Jan 4, 2027 if ordered today

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

Part Number: SCA-1-42255BE

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Estimated Ship Date: Dec 31, 2026 if ordered today

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

Part Number: SCA-1-44304BI

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Estimated Ship Date: Dec 31, 2026 if ordered today

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