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Vehicle Info NeededEAGLEPART NUMBER: 356-15011030
Eagle Ford Big Block Competition Rotating Assemblies
$3,00399
Ships on 09/14/2026
Lowest Price Guarantee4.300" Stroke
- Competition Rotating Assembly
Ford Big Block
Stroke: 4.300
Disp @ 4.390: 521
Rod Length: 6.800
Pistons: -3cc Flat Top
Rings: File Fit
Comp. Ratio 70cc/80cc/90cc: 13.9/12.5/11.4
Designed for Internal Balance - Flexplate/Flywheel and Balancer Not Included, Professional Machine Shop Balancing Required.
Part TypeEngine Rotating Assembly Kit
BrandEAGLE
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Piston And Ring Oversize0.03 in (0.8 mm)
Main Bearing Undersize (Mm)Stock
Wrist Pin StyleFloating
Connecting Rod Beam StyleH-beam
Rod Bearing Undersize (Mm)Stock
Piston Ring Facing MaterialPlasmamoly
Piston StyleFlat top, with two valve reliefs
Assembly Lubricant IncludedNo
Piston Head Volume (Cc)3
Gaskets IncludedNo
Rear Main Seal Style2-piece
Main Bearing Undersize (In.)Stock
Crankshaft IncludedYes
Piston Rings IncludedYes
Bore (Mm)111.506
Actual Engine Cid521
Engine Stroke4.3 in (109.22 mm)
Connecting Rod MaterialForged 4340 steel
Pistons IncludedYes
Rod Bearing Undersize (In.)Stock
QuantitySold as a kit
Main Bearings IncludedYes
Engine BalanceInternal
Rod Bearings IncludedYes
Connecting Rods IncludedYes
Oil Pump IncludedNo
Camshaft IncludedNo
Timing Chain And Gears IncludedNo
BalancedNo
Piston MaterialForged aluminum
Cam Bearings IncludedNo
Part FitmentSemi Universal
Plastigage IncludedNo
Lifters IncludedNo
Bore4.39 in (111.506 mm)
Vendor Part Number15011030
Package Qty1
Package TypeEA
No Questions
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Some parts are not legal for use in California or other states with similar laws / regulations
