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Eagle Competition Rotating Assemblies
Engine Rotating Assembly, Balanced, Competition, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Pontiac, Big Block, 400, Kit
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Estimated Ship Date: Dec 18, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
B515004155
Part Type:
Product Line:
Summit Racing Part Number:
ESP-B515004155
UPC:
793348040035
Actual Engine Displacement:
7.6L/461
Rear Main Seal Style:
2-piece
Bore (in.):
4.155 in.
Bore (mm):
105.537mm
Engine Stroke (in.):
4.250 in.
Balanced:
Yes
Piston Material:
Forged aluminum
Piston Style:
Flat top, with two valve reliefs
Harmonic Balancer Included:
No
Flexplate Included:
No
Flywheel Included:
No
Pistons Included:
Yes
Piston Head Volume (cc):
-6.00cc
Wrist Pin Style:
Floating
Piston Rings Included:
Yes
Piston Ring Facing Material:
Plasmamoly
Piston and Ring Oversize (in.):
0.035 in.
Crankshaft Included:
Yes
Crankshaft Material:
Forged 4340 steel
Engine Balance:
Internal
Connecting Rods Included:
Yes
Connecting Rod Length Center to Center (in.):
6.800 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:
Includes file fit piston rings. Not compatible with 1967 Pontiac 400 C.I.D. cylinder blocks due to factory notches at the top of the cylinders.
Eagle Competition Rotating Assemblies
Eagle competition rotating assemblies consist of name-brand quality components for a wide range of engines at an affordable price. Depending upon your selection, 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 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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