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Eagle Chevy Big Block Rotating Assembly with 4.390in Bore 4.500in Stroke +38cc Dome

SKU: EAG15012030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

Eagle Chevy Big Block Rotating Assembly with 4.390in Bore 4.500in Stroke +38cc Dome

SKU: EAG15012030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

A$5,848.93
LAST ONE! Est Ship 4-7 days. In stock at 1 location (only 1 available)

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Description

Rotating Assembly - Street / Strip - 545 CID - Forged Crank - Forged Pistons - 4.500 in Stroke - 4.390 in Bore - 6.700 in H Beam Rods - Big Block Ford - Kit

Eagle Chevy Big Block Rotating Assembly with 4.390in Bore 4.500in Stroke +38cc Dome

Eagle Competition Rotating Assemblies are perfect for all forms of racing use including nitrous and forced-induction.

Additional Information

4.500" Forged 4340 Steel Crank,6.700" H-BEAM Rods,7/16" ARP 8740 BOLTS,Forged 4032 MAHLE -38CC INV. DOME 4.390" PISTONS,PLASMA-MOLY FILE-FIT RINGS,KING XP Rod/MAIN BEARINGS.

Application Summary

Ford 429/460 SCJ

Part Type

Engine Crankshaft Rotating Assembly

Product Overview

Eagle Competition Rotating Assembly matches the Eagle "ESP" H-Beam Connecting Rods, 4340 Steel Crankshaft, and Premium Forged Pistons from companies like Arias, JE, and SRP. Competition Assemblies COMPLETE solution and are the perfect choice for the most demanding applications.

*Street Performance Assemblies*
Eagle Street Performance Assemblies offer the perfect balance of performance, reliability, and affordability for engines under 500 hp. Each kit includes a cast steel crankshaft, “SIR” I-beam connecting rods, forged or hypereutectic pistons, plasma-moly rings, and Clevite77 bearings.

*Street & Strip Assemblies*
Eagle Street & Strip Assemblies offer the perfect balance of performance, reliability, and affordability for engines under 500 hp. Each kit includes a cast steel crankshaft, “SIR” I-beam connecting rods, forged or hypereutectic pistons, plasmamoly rings, and Clevite77 bearings.

*Pro Street Assemblies*
Eagle Pro Street Assemblies offer the perfect balance of performance, reliability, and affordability for street applications where a forged 430
steel crank is desired. Each kit includes a 4340 steel crankshaft, “SIR” I-beam connecting rods, forged or hypereutectic pistons, plasma-moly
rings, and Clevite77 bearings.

*Competition Assemblies*
Eagle Competition Assemblies offer the ultimate in strength and reliability at an affordable price. Each kit includes a 4340 steel crankshaft, H-beam rods, premium forged pistons, plasma-moly rings, and Clevite77 “H” series bearings. They are designed for internal balance. Standard bore is 4.000”. Perfect for the most demanding applications.

*Forced Induction Assemblies*
Eagle Competition Assemblies offer the ultimate in strength and reliability at an affordable price. Each kit includes a 4340 steel crankshaft, H-beam rods with upgrade ARP 2000 or L19 bolts, premium forged pistons designed specifically for forced induction engines, plasma-moly rings, and Clevite77 “H” series bearings. They are designed for internal balance. Perfect for extreme horsepower applications.


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:03:18

Data: v4.2 - Upd: 2026-11-07 19:56:44

Features

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

Product Details

Assembly Type:Competition Assembly
Bore:4.39
Comp Ratio@72cc (@80/84cc):9.9 (9.4/9.1)
Description:Competition Assembly; Mahle -38cc Inv Dome Pistons; FF Rings
Part Number:eag15012030
Piston Type:Scj Inverted Dome Forged
Product Line:Competition
Rod:6.700"
Stroke:4.500"
Title:Eagle Specialty Products - Competition Rotating Assembly
assembly balanced:no
balance type:internal
connecting rod bolt diameter:7/16"
connecting rod bolt material:ARP 8740
connecting rod design:H-Beam
connecting rod length:6.800"
connecting rod material:forged 4340 steel
crankshaft center counterweights:no
crankshaft flange bolt holes:6
crankshaft main journal diameter:3.000"
crankshaft material:forged 4340 steel
crankshaft reluctor:no
crankshaft rod journal diameter:2.200"
crankshaft stroke:4.500"
cylinder bore diameter:4.390"
damper included:no
flexplate/flywheel included:no
main bearing type:hardened, narrowed or chamfered
main bearings included:yes
oil rail support included:no
piston brand:Mahle
piston dome volume:-38cc
piston face type:inverted dome
piston material:forged 4032 aluminum
piston pin diameter:.990"
piston pin type:full floating
piston ring gap:standard
piston ring thickness:1.5mm, 1.5mm, 3.0mm
rod bearing type:hardened, narrowed or chamfered
rod bearings included:yes
second piston ring type:reverse twist iron
thrust washer included:no
top piston ring type:barrel faced plasma-moly

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Eagle, Eagle Specialty Products
StreetFX SKU eag15012030
SFX Item ID 4052535
Accounting SKU eag-15012030
Manufacturer SKU 15012030
Manufacturer UPC 793348804934
Alternative References ESP-15012030

ROTATING ASSEMBLY

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 Number15012030
Part TypeEngine Rotating Kits
Product LineEagle Competition Rotating Assemblies
UPC00793348804934
Actual Engine Displacement8.9L/545
Rear Main Seal Style2-piece
Bore (in.)4.390 in.
Bore (mm)111.506mm
Engine Stroke (in.)4.500 in.
BalancedNo
Piston MaterialForged aluminum
Piston StyleDish, with no valve reliefs
Harmonic Balancer IncludedNo
Flexplate IncludedNo
Flywheel IncludedNo
Pistons IncludedYes
Piston Head Volume (cc)+38.00cc
Wrist Pin StyleFloating
Piston Rings IncludedYes
Piston Ring Facing MaterialPlasmamoly
Piston and Ring Oversize (in.)0.030 in.
Crankshaft IncludedYes
Crankshaft MaterialForged 4340 steel
Engine BalanceInternal
Connecting Rods IncludedYes
Connecting Rod Length Center to Center (in.)6.700 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.

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