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Vehicle Info NeededEAGLEPART NUMBER: 356-13054030
Street Performance Rotating Assembly Stroke: 3.750
$1,15499
Ships on Sep 14, 2026
Lowest Price GuaranteeChevy 350 Internally Balanced, 2pc Rear Main Seal
- Street Performance Rotating Assembly
- Stroke: 3.750
- Disp. @ .030: 383
- Rod Length: 5.700
- Pistons: -18cc Dish
- Rings: Standard Gap
- Comp. Ratio 58cc/64cc/76cc: 9.92/9.35/8.4
Unbalanced assemblies MUST be balanced by qualified machine shop before use. Assemblies include crank, rods, pistons, rings, and bearings (OE replacement bearings with cast crank. Compression ratios calculated considering uncut block, 4.030” bore size, and .040” head gasket thickness.
Part TypeEngine Rotating Assembly Kit
BrandEAGLE
Package Height20.5
Package Width21.0
Package Length30.0
Weight66.6 PG
Part CategoryPerformance Parts
Crankshaft MaterialCast steel
Piston And Ring Oversize0.03 in (0.8 mm)
Main Bearing Undersize (Mm)Stock
Wrist Pin StyleFloating
Connecting Rod Beam StyleI-beam
Rod Bearing Undersize (Mm)Stock
Piston Ring Facing MaterialPlasmamoly
Piston StyleDish, with a D-shaped cup
Assembly Lubricant IncludedNo
Piston Head Volume (Cc)18
Gaskets IncludedNo
Rear Main Seal Style2-piece
Main Bearing Undersize (In.)Stock
Crankshaft IncludedYes
Piston Rings IncludedYes
Bore (Mm)102.362
Actual Engine Cid383
Engine Stroke3.75 in (95.25 mm)
Connecting Rod MaterialForged 5140 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 MaterialHypereutectic aluminum
Cam Bearings IncludedNo
Part FitmentSemi Universal
Plastigage IncludedNo
Lifters IncludedNo
Bore4.03 in (102.362 mm)
Vendor Part Number13054030
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
