Eagle 12001040 Competition Engine Rotating Assembly, For Chevy 454 Small Block

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Management number 254838727 Release Date 2026/11/07 List Price US$977.92 Model Number 254838727
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<h3>Competition Forged Pistons Engine Rotating Assembly, For Chevy 454 Small Block</h3><b>Brandname: </b>Eagle<br><br><b>Part Number: </b>12001040<br><br><b>Description:</b><br><p></p><ul><li>Eagle competition rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. Depending upon your application, these kits may feature a crankshaft, pistons, piston rings, rod and main bearings, or connecting rods. Balanced assemblies are also available. Order the model designed for fitment on your year/make vehicle.</li></ul><p><b>Specifications:</b></p><ul><li><p></p><ul><li>Actual Engine Displacement: 5.8L/357</li><li>Rear Main Seal Style: 2-piece</li><li>Bore (in): 4.040 in.</li><li>Bore (mm): 102.616mm</li><li>Engine Stroke (in): 3.480 in.</li><li>Balanced: No</li><li>Harmonic Balancer Included: No</li><li>Flexplate Included: No</li><li>Flywheel Included: No</li><li>Pistons Included: Yes</li><li>Piston Rings Included: Yes</li><li>Piston and Ring Oversize (in): 0.040 in.</li><li>Piston Material:</li><li>Piston Material: Forged aluminum</li><li>Piston Style: Flat top, with two valve reliefs</li><li>Piston Head Volume (cc): +5.00cc </li><li>Wrist Pin Style: Floating</li><li>Piston Ring Facing Material: Plasmamoly</li><li>Crankshaft Included: Yes</li><li>Crankshaft Material: Forged 4340 steel</li><li>Engine Balance: Internal</li><li>Connecting Rods Included: Yes</li><li>Connecting Rod Length Center to Center (in): 5.700 in.</li><li>Connecting Rod Material: Forged 4340 steel</li><li>Connecting Rod Beam Style: H-beam</li><li>Rod Bearings Included: Yes</li><li>Rod Bearing Undersize (in): Stock</li><li>Rod Bearing Undersize (mm): Stock</li><li>Main Bearings Included: Yes</li><li>Main Bearing Undersize (in): Stock</li><li>Main Bearing Undersize (mm): Stock</li><li>Cam Bearings Included: No</li><li>Gaskets Included: No</li><li>Oil Pump Included: No</li><li>Camshaft Included: No</li><li>Lifters Included: No</li><li>Timing Chain and Gears Included: No</li><li>Plastigage Included: No</li><li>Assembly Lubricant Included: No</li><li>Quantity: Sold as a kit.</li></ul><p></p></li></ul>

  • Offer the perfect balance of strength, performance, reliability, and affordability
  • Include a cast Steel crankshaft, Eagle "SIR" I-beam connecting Rods, Federal mogul hypereutectic pistons, perfect circle rings, and performance street bearings
  • The perfect choice for engines up to 500 HP
  • SBC Rotating Assembly Kit - Competition
  • New
Manufacturer part number 12001040
Automotive specialty part type Rotating Assembly Kit
Compatible cars Chevy Small Block
Vehicle fitment type Specific
Vehicle make Chevrolet
Vehicle model EAG12001040
Brand Eagle
Weight 313 lb
Material Forged 4340 Steel
Color Multicolor
Items included cast Steel crankshaft, Eagle "SIR" I-beam connecting Rods, Federal mogul hypereutectic pistons, perfect circle rings, and performance street bearings
Vehicle type Car, Sport Utility Vehicle, Truck
Automotive parts division Performance
Model EAG12001040
Count per pack 1
Has written warranty No

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