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Vehicle Info NeededEAGLEPART NUMBER: 356-12055030
Eagle Chevy Small Block 400 Competition Rotating Assemblies
$2,66999
Ships on Sep 15, 2026
Lowest Price GuaranteeChevy Small Block 400 Competition Rotating Assemblies4.000" Stroke 6.000" Rods Forged Pistons
- Competition Rotating Assembly -
400, 2.65 Main
Stroke: 4.000
Disp. @ .030: 434
Rod Length: *6.000
Pistons: -20cc Dish
Rings: File Fit
Comp. Ratio 64cc/76cc: 10.0/9.1
Designed for Internal Balance - Flexplate/Flywheel and Balancer Not Included, Professional Machine Shop Balancing RequiredNOTE: * includes maximum clearance rods with ARP 2000 bolts
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 StyleDish, with a D-shaped cup
Assembly Lubricant IncludedNo
Piston Head Volume (Cc)20
Gaskets IncludedNo
Rear Main Seal Style2-piece
Main Bearing Undersize (In.)Stock
Crankshaft IncludedYes
Piston Rings IncludedYes
Bore (Mm)105.537
Actual Engine Cid434
Engine Stroke4 in (101.6 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
Bore4.155 in (105.537 mm)
Vendor Part Number12055030
Package Qty1
Package TypeEA
No Questions
No Reviews
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Some parts are not legal for use in California or other states with similar laws / regulations
