2012 Engine Kits & Rotating Assemblies

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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PRO STREET ASSEMBLY CHEV 4.8/5.3 LS

Part Number: ESP-627603780

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS7

Part Number: ESP-128564125

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHRYSLER 5.7 HEMI

Part Number: ESP-232113937

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS7

Part Number: ESP-128354155

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS7

Part Number: ESP-128284130

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Estimated Ship Date: Apr 24, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637914070

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS7

Part Number: ESP-128394155

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Estimated Ship Date: Apr 24, 2026 if ordered today

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HEAVY DUTY ASSEMBLY CHEV LS7

Part Number: ESP-329504125

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Estimated Ship Date: Apr 24, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-629194070

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-137904065

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-129504065

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Estimated Ship Date: Apr 24, 2026 if ordered today

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BALANCED PRO STREET ASSY CHEV 4.8/5.3 LS

Part Number: ESP-B627023820

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Estimated Ship Date: Apr 24, 2026 if ordered today

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HEAVY DUTY ASSEMBLY CHEV LS3

Part Number: ESP-329554070

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Estimated Ship Date: Apr 24, 2026 if ordered today

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BALANCED PRO STREET ASSY CHEV 4.8/5.3 LS

Part Number: ESP-B627643810

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS7

Part Number: ESP-137304125

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Estimated Ship Date: Apr 24, 2026 if ordered today

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COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-137904070

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Estimated Ship Date: Apr 24, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637914065

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Estimated Ship Date: Apr 24, 2026 if ordered today

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PRO STREET ASSEMBLY CHEV LS3

Part Number: ESP-637324125

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Estimated Ship Date: Apr 24, 2026 if ordered today

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

Part Number: SCA-1-44605

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Estimated Ship Date: Apr 29, 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-1-44105

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Estimated Ship Date: Apr 29, 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-1-44304

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Estimated Ship Date: Apr 29, 2026 if ordered today

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

Part Number: SCA-1-44405

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Estimated Ship Date: Apr 29, 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-1-44602

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Estimated Ship Date: Apr 29, 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-1-44004

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Estimated Ship Date: Apr 29, 2026 if ordered today

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