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- LS1 427 4.000 10.6 4.125 BORE
Engine Assembly; Engine Kit; 4 in. Stroke; Incl. Rod Journals; 10.6 in. Pro Mod Connecting Rods; Bearings; Rings; 4.125 Bore; GM LS1 427 cid;
Part TypeEngine Rotating Assembly Kit
BrandLUNATI
Package Height12.0
Package Width28.0
Package Length37.0
Weight87.0 PG
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Piston And Ring Oversize0.125 in (3.2 mm)
Main Bearing Undersize (Mm)Stock
Wrist Pin StyleFloating
Connecting Rod Beam StyleI-beam
Rod Bearing Undersize (Mm)Stock
Piston Ring Facing MaterialPlasmamoly
Piston StyleFlat top, with two valve reliefs
Assembly Lubricant IncludedNo
Piston Head Volume (Cc)15
Gaskets IncludedNo
Rear Main Seal Style1-piece
Main Bearing Undersize (In.)Stock
Crankshaft IncludedYes
Piston Rings IncludedYes
Bore (Mm)104.775
Actual Engine Cid427
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
BalancedYes
Piston MaterialForged aluminum
Cam Bearings IncludedNo
Part FitmentSemi Universal
Plastigage IncludedNo
Lifters IncludedNo
Bore4.125 in (104.775 mm)
Vendor Part NumberEA035-427LUN
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
