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Eagle SBC 350 Competition Rotating Assembly 3.750in Stroke 6.000in Rods Forged Pistons .030 Overbore

SKU: EAG12011030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

Eagle SBC 350 Competition Rotating Assembly 3.750in Stroke 6.000in Rods Forged Pistons .030 Overbore

SKU: EAG12011030

Engine Rotating Kits

EAG Rotating Assy - 8 Cyl...

A$5,181.50
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

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Description

Rotating Assembly - 383 CID - Forged Crank - Forged Pistons - 3.750 in Stroke - 4.030 in Bore - 6.000 in H Beam Rods - Small Block Chevy - Kit

Eagle SBC 350 Competition Rotating Assembly 3.750in Stroke 6.000in Rods Forged Pistons .030 Overbore

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

Additional Information

3.750" Forged 4340 Crank,6.000" H-BEAM Rods,7/16" ARP 8740 BOLTS,Forged 4032 MAHLE -5CC FLAT TOP 4.030" PISTONS,PLASMA-MOLY FILE-FIT RINGS,KING XP Rod/MAIN BEARINGS.

Application Summary

CHEVY 350

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 20:03:27

Data: v4.2 - Upd: 2026-11-08 18:37:17

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

Product Details

Assembly Type:Competition Assembly
Bore:4.03
Comp Ratio@64cc (@76cc):11.0 (9.7)
Description:Competition Assembly; Mahle -5cc Flat Top Pistons; FF Rings
Part Number:eag12011030
Piston Type:Flat Top Forged 4032
Product Line:Competition
Rod:6.000"
Stroke:3.750"
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:6.000"
connecting rod material:forged 4340 steel
crankshaft center counterweights:no
crankshaft flange bolt holes:6
crankshaft main journal diameter:2.449"
crankshaft material:forged 4340 steel
crankshaft reluctor:no
crankshaft rod journal diameter:2.100"
crankshaft stroke:3.750"
cylinder bore diameter:4.030"
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:-5cc
piston face type:flat top
piston material:forged 4032 aluminum
piston pin diameter:.927"
piston pin type:full floating
piston ring gap:file-fit
piston ring thickness:1.0mm, 1.0mm, 2.0mm
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 eag12011030
SFX Item ID 4052672
Accounting SKU eag-12011030
Manufacturer SKU 12011030
Manufacturer UPC 793348526003
Alternative References ESP-12011030

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small 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 Number12011030
Part TypeEngine Rotating Kits
Product LineEagle Competition Rotating Assemblies
UPC793348526003
Actual Engine Displacement6.3L/383
Rear Main Seal Style2-piece
Bore (in.)4.030 in.
Bore (mm)102.362mm
Engine Stroke (in.)3.750 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)+5.00cc
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.)6.000 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.
NotesAssembly includes file fit piston rings. Suitable for up to 750 horsepower, 1500 horsepower with rod bolt upgrade.

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