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Brand: Eagle Specialty Products
Manufacturer's Part Number: B13010040
Part Type: Engine Rotating Kits
Product Line: Eagle Street Performance Rotating Assemblies

Actual Engine CID: 409
Bore (in): 4.165 in.
Bore (mm): 105.791mm
Engine Stroke (in): 3.750 in.
Pistons Included: Yes
Piston Rings Included: Yes
Piston and Ring Oversize (in): 0.040 in.
Piston Material: Hypereutectic aluminum
Piston Style: Flat top, with two valve reliefs
Piston Head Volume (cc): +6.00cc
Wrist Pin Style: Floating
Piston Ring Facing Material: Plasma Moly
Crankshaft Included: Yes
Balanced: Yes
Crankshaft Material: Cast steel
Rear Main Seal Style: 2-piece
Engine Balance: External
Connecting Rods Included: Yes
Connecting Rod Material: Forged 5140 steel
Connecting Rod Beam Style: I-beam
Rod Bearings Included: Yes
Main Bearings Included: Yes

Quantity: Sold as a kit.
Notes: Includes file fit piston rings.

These Eagle street performance rotating assemblies offer the perfect balance of strength, performance, reliability, and affordability. They include a cast steel crankshaft, Eagle "SIR" I-beam connecting rods, Federal Mogul hypereutectic pistons, Perfect Circle rings, and Clevite 77 bearings. The kits are only available balanced. Externally balanced kits will include a flexplate and harmonic balancer, internally do not. Eagle street performance rotating assemblies are the perfect choice for engines up to 500 hp.