2012 Engine Kits & Rotating Assemblies

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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Pro LS Rotating Assembly, 371 Cid., 4.040 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-R2436L0402

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

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ROTATING ASSEMBLY

Part Number: ESP-232503927

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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: Apr 24, 2026 if ordered today

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ROTATING KITS

Part Number: ESP-128264030

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Estimated Ship Date: Apr 24, 2026 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-129384070

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Estimated Ship Date: Apr 24, 2026 if ordered today

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ROTATING ASSEMBLIES

Part Number: SCA-1-43626

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Estimated Ship Date: May 8, 2026 if ordered today

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

Part Number: SCA-1-44407BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 415 Small Block, Kit

Part Number: SCA-1-44503BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 415 Small Block, Kit

Part Number: SCA-1-44602BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 415 Small Block, Kit

Part Number: SCA-1-44603

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Estimated Ship Date: May 15, 2026 if ordered today

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

Part Number: SCA-1-44606

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Estimated Ship Date: May 15, 2026 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-1-44204

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 415 Small Block, Kit

Part Number: SCA-1-44207

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 403 Small Block, Kit

Part Number: SCA-1-44303BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, 24-Tooth Reluctor Wheel, 4340 Forged Crank, Forged Pistons, I-Beam Rods, Chevrolet, LS Engine, Kit

Part Number: SCA-1-43802BI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 403 Small Block, Kit

Part Number: SCA-1-44002BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 403 Small Block, Kit

Part Number: SCA-1-44103BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 415 Small Block, Kit

Part Number: SCA-1-44106

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 415 Small Block, Kit

Part Number: SCA-1-44107BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, I-Beam Rods, Chevy, 403 Small Block, Kit

Part Number: SCA-1-44202

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 415 Small Block, Kit

Part Number: SCA-1-44703BI

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Estimated Ship Date: May 15, 2026 if ordered today

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Engine Rotating Assembly, Competition, Steel Crank, Forged Pistons, H-Beam Rods, Chevy, 421 Small Block, Kit

Part Number: SCA-1-44705BI

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Estimated Ship Date: May 15, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV 4.8/5.3 LS

Part Number: ESP-627043810

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Estimated Ship Date: Apr 14, 2026 if ordered today

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

Part Number: CPI-LS03024-3

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Estimated Ship Date: Jun 10, 2026 if ordered today

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