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Eagle Chevy Big Block Rotating Assembly with 4.280in Bore 4.250in Stroke +3cc Dome

SKU: EAGB11111030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

Eagle Chevy Big Block Rotating Assembly with 4.280in Bore 4.250in Stroke +3cc Dome

SKU: EAGB11111030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

A$6,013.31
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Eagle Chevy Big Block Rotating Assembly with 4.280in Bore 4.250in Stroke +3cc Dome

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

Additional Information

BALANCED 4.250" Forged 4340 Crank,6.385" H-BEAM Rods,7/16" ARP 8740 BOLTS,Forged 4032 MAHLE -3CC FLAT TOP 4.280" PISTONS,PLASMA-MOLY FILE-FIT RINGS,KING XP Rod/MAIN BEARINGS.

Application Summary

CHEVY 502

Part Type

Engine Crankshaft Rotating Assembly

Product Overview

Eagle Competition Rotating Assemblies are the perfect choice for your racing engine. Eagle takes great care to select the best parts to makimize performance, reliability, and durability without breaking the bank. Eagle competition assemblies are recommended for use in racing engines including exotic fuels, nitrous, and forced-induction.


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 20:03:19

Data: v4.2 - Upd: 2026-11-07 19:56:43

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:Balanced Competition Assembly
Bore:4.28
Description:Eagle Chevy Big Block Rotating Assembly with 4.280in Bore 4.250in Stroke +3cc Dome
Part Number:eagB11111030
Piston Type:Flat Top Forged
Product Line:Competition
Title:Eagle Specialty Products - Balanced Competition Rotating Assembly
assembly balanced:yes
balance type:internal
connecting rod bolt diameter:7/16"
connecting rod bolt material:ARP 8740
connecting rod design:H-Beam
connecting rod length:6.385"
connecting rod material:forged 4340 steel
crankshaft center counterweights:yes
crankshaft flange bolt holes:6
crankshaft main journal diameter:2.749"
crankshaft material:forged 4340 steel
crankshaft reluctor:no
crankshaft rod journal diameter:2.200"
crankshaft stroke:4.250"
cylinder bore diameter:4.280"
damper included:no
flexplate/flywheel included:no
main bearing type:hardened, narrowed or chamfered
main bearings included:yes
oil rail support included:yes
piston brand:Mahle
piston face type:flat top
piston flat top volume:-3cc
piston material:forged 4032 aluminum
piston pin diameter:.990"
piston pin type:full floating
piston ring gap:file fit
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 eagB11111030
SFX Item ID 4052544
Accounting SKU eag-B11111030
Manufacturer SKU B11111030
Manufacturer UPC 793348804804
Alternative References ESP-B11111030

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Big Block, 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 NumberB11111030
Part TypeEngine Rotating Kits
Product LineEagle Competition Rotating Assemblies
UPC00793348804804
Actual Engine Displacement8.0L/489
Rear Main Seal Style1-piece
Bore (in.)4.280 in.
Bore (mm)108.712mm
Engine Stroke (in.)4.250 in.
BalancedYes
Piston MaterialForged aluminum
Piston StyleFlat top, with single valve relief
Harmonic Balancer IncludedNo
Flexplate IncludedNo
Flywheel IncludedNo
Pistons IncludedYes
Piston Head Volume (cc)+3.00cc
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.)6.385 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.
NotesIncludes file fit piston rings.

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