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340 Block Competition Assemblies
- Competition Rotating Assembly -
Mopar 340
Stroke: 4.000
Disp. @ 4.070: 416
Rod Length: 6.123
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 60cc/65cc/70cc: 12.1/11.4/10.8
Designed for Internal Balance - Flexplate/Flywheel and Balancer Not Included, Professional Machine Shop Balancing Required
Part TypeEngine Rotating Assembly Kit
BrandEAGLE
Package Height12.4
Package Width21.0
Package Length30.0
Weight120.0 PG
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)5
Gaskets IncludedNo
Rear Main Seal Style2-piece
Main Bearing Undersize (In.)Stock
Crankshaft IncludedYes
Piston Rings IncludedYes
Bore (Mm)102.362
Actual Engine Cid416
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
Bore4.03 in (102.362 mm)
Vendor Part Number20106030
Package Qty1
Package TypeEA
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