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Eagle Heavy-Duty Rotating Assemblies
HEAVY DUTY ASSEMBLY CHEV LS1
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Estimated Ship Date: May 18, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
329113905
Part Type:
Product Line:
Summit Racing Part Number:
ESP-329113905
UPC:
793348050188
Actual Engine Displacement:
5.7L/347
Rear Main Seal Style:
1-piece
Bore (in.):
3.905 in.
Bore (mm):
99.187mm
Engine Stroke (in.):
3.622 in.
Balanced:
No
Piston Material:
Forged aluminum
Piston Style:
Dish, with two valve reliefs
Harmonic Balancer Included:
No
Flexplate Included:
No
Flywheel Included:
No
Pistons Included:
Yes
Piston Head Volume (cc):
+20.00cc
Wrist Pin Style:
Floating
Piston Rings Included:
Yes
Piston Ring Facing Material:
Plasmamoly
Piston and Ring Oversize (in.):
0.007 in.
Piston and Ring Oversize (mm):
0.178mm
Crankshaft Included:
Yes
Crankshaft Material:
Forged 4340 steel
Engine Balance:
Internal
Connecting Rods Included:
Yes
Connecting Rod Length Center to Center (in.):
6.125 in.
Connecting Rod Material:
Forged 4340 steel
Connecting Rod Beam Style:
H-beam
Rod Bearings Included:
Yes
Rod Bearing Undersize (in.):
Stock
Rod Bearing Undersize (mm):
Stock
Main Bearings Included:
Yes
Main Bearing Undersize (in.):
Stock
Main Bearing Undersize (mm):
Stock
Cam Bearings Included:
No
Gaskets Included:
No
Oil Pump Included:
No
Camshaft Included:
No
Lifters Included:
No
Timing Chain and Gears Included:
No
Plastigage Included:
No
Assembly Lubricant Included:
No
Quantity:
Sold as a kit.
Notes:
Designed for use with 24-tooth reluctor wheel.
Eagle Heavy-Duty Rotating Assemblies
Eagle rotating assemblies can take a lot of worry out of your engine building project. Eagle's heavy-duty rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. Perfect for the most extreme competition engines, including exotic fuels, heavy nitrous, and high boost, Eagle's HD rotating assemblies are equipped with Eagle's forged 4340 center-counterweighted crank (when available), forged H-Beam rods with ARP 2000 or L19 bolt upgrade and purpose-built heavy duty pistons. The pistons used in Eagle's heavy-duty assemblies are built for high boost levels or bucket-loads of nitrous. Every part is top-of-the-line and ready to support whatever you want to throw at it. Most all assemblies are available balanced or unbalanced if you'd rather your machine shop balance it. Along with crank, rods, pistons, every assembly includes bearings from either King or Clevite and rings suited to the intended application. Externally balanced assemblies balanced by Eagle will also include a harmonic damper and flexplate (or flywheel for some Fords) from Pioneer. Order the model designed for fitment on your year/make vehicle and engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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