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- Rotating Assemblies-Competition
- Big Block Ford
- 12011030 BBF 521, 4.390 FLAT TOP COMPETITION ASSEMBLY
12011030 BBF 521, 4.390 FLAT TOP COMPETITION ASSEMBLY
Product Description
Brand: Eagle Specialty Products
Manufacturer's Part Number: 15011030
Part Type: Engine Rotating Kits
Product Line: Eagle Competition Rotating Assemblies
Actual Engine CID: 521
Bore (in): 4.390 in.
Bore (mm): 111.506mm
Engine Stroke (in): 4.300 in.
Balanced: No
Pistons Included: Yes
Piston Rings Included: Yes
Piston and Ring Oversize (in): 0.030 in.
Piston Material: Forged aluminum
Piston Style: Flat top, with two valve reliefs
Piston Head Volume (cc): +3.00cc
Wrist Pin Style: Floating
Piston Ring Facing Material: Plasmamoly
Crankshaft Included: Yes
Crankshaft Material: Forged 4340 steel
Rear Main Seal Style: 2-piece
Engine Balance: Internal
Connecting Rods Included: Yes
Connecting Rod Material: Forged 4340 steel
Connecting Rod Beam Style: H-beam
Rod Bearings Included: Yes
Main Bearings Included: Yes
Quantity: Sold as a kit.
Notes: Includes file fit piston rings.
Eagle competition rotating assemblies consist of name-brand quality components for a wide range of applications 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.
