Description
Rotating Assembly - 461 CID - Forged Crank - Forged Pistons - 4.250 in Stroke - 4.155 in Bore - 6.800 in Long H-Beam Rods - Pontiac V8 - Kit
Eagle Pontiac 400 4.250in Crank 6.800in H-Beam -6cc Flat Top 4.155in Pistons Rotating Assembly
Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction.
Additional Information
4.250" Forged 4340 Crank, 6.800" H-BEAM Rods,7/16" ARP 8740 BOLTS, Forged 4032 MAHLE -6CC FLAT TOP 4.155" PISTONS,PLASMA-MOLY FILE FIT RINGS,KING XP Rod/MAIN BEARINGS.
Application Summary
PONTIAC 400
Part Type
Engine Crankshaft Rotating Assembly
Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:07:35
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: pistons)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Eagle, Eagle Specialty Products |
| StreetFX SKU | eag515004155 |
| SFX Item ID | 4056511 |
| Accounting SKU | eag-515004155 |
| Manufacturer SKU | 515004155 |
| Manufacturer UPC | 793348021980 |
| Alternative References | ESP-515004155 |
Engine Rotating Assembly, Competition, Forged 4340 Crank, Forged Pistons, H-Beam Rods, Pontiac, Big Block, 400, Kit
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.
| Product Attributes | |
|---|---|
| Brand | Eagle Specialty Products |
| Manufacturer's Part Number | 515004155 |
| Part Type | Engine Rotating Kits |
| Product Line | Eagle Competition Rotating Assemblies |
| UPC | 793348021980 |
| 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 | No |
| 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. |
Compatibility
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