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Eagle Competition Rotating Assemblies 129174030 Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 1-Piece Seal, Chevy, 408, Kit

SKU: EAG129174030

Engine Rotating Kits

Eagle Competition Rotating Assemblies 129174030 Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 1-Piece Seal, Chevy, 408, Kit

SKU: EAG129174030

Engine Rotating Kits
A$5,962.61
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.

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Description


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:10:58

Data: v4.2 - Upd: 2026-11-07 19:46:25

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 eag129174030
SFX Item ID 4778160
Accounting SKU eag-129174030
Manufacturer SKU 129174030
Manufacturer UPC 793348802978
Alternative References ESP-129174030

Rotating Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 1-Piece Seal, Chevy, 408, 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
BrandEagle Specialty Products
Manufacturer's Part Number129174030
Part TypeEngine Rotating Kits
Product LineEagle Competition Rotating Assemblies
UPC793348802978
Actual Engine Displacement6.7L/408
Rear Main Seal Style1-piece
Bore (in.)4.030 in.
Bore (mm)102.362mm
Engine Stroke (in.)4.000 in.
BalancedNo
Piston MaterialForged aluminum
Piston StyleFlat top, with two valve reliefs
Harmonic Balancer IncludedNo
Flexplate IncludedNo
Flywheel IncludedNo
Pistons IncludedYes
Piston Head Volume (cc)+4.00cc
Wrist Pin StyleFloating
Piston Rings IncludedYes
Piston Ring Facing MaterialPlasmamoly
Crankshaft IncludedYes
Crankshaft MaterialForged 4340 steel
Engine BalanceInternal
Connecting Rods IncludedYes
Connecting Rod Length Center to Center (in.)6.125 in.
Connecting Rod MaterialForged 4340 steel
Connecting Rod Beam StyleH-beam
Rod Bearings IncludedYes
Rod Bearing Undersize (in.)Stock
Rod Bearing Undersize (mm)Stock
Main Bearings IncludedYes
Main Bearing Undersize (in.)Stock
Main Bearing Undersize (mm)Stock
Cam Bearings IncludedNo
Gaskets IncludedNo
Oil Pump IncludedNo
Camshaft IncludedNo
Lifters IncludedNo
Timing Chain and Gears IncludedNo
Plastigage IncludedNo
Assembly Lubricant IncludedNo
QuantitySold as a kit.
NotesUses 24-tooth reluctor ring.

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