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Eagle Eagle Small Block Mopar Competition Rotating Assemblies

Eagle 20105000
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Estimated to ship directly from the manufacturer on 07/27/18
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Eagle Eagle Small Block Mopar Competition Rotating Assemblies $1,959.99
Competition Rotating Assembly -
Mopar 340
Stroke: 4.000
Disp. @ 4.040: 410
Rod Length: 6.123
Pistons: -28cc Inv. Dome
Rings: File Fit
Comp. Ratio 60cc/65cc/70cc: 9.5/9.1/8.8

Eagle 20105000 Details

340 Block Competition Assemblies

Designed for Internal Balance - Flexplate/Flywheel and Balancer Not Included, Professional Machine Shop Balancing Required


Manufacturer's Part Number:

Eagle Small Block Mopar Competition Rotating Assemblies offer the ultimate reliability and strength at an affordable price for the most demanding applications. These kits include an Eagle Forged 4340 Steel Crankshaft, Eagle H-Beam Rods, Mahle Forged Pistons, Hastings Rings and high-performance Clevite or King Bearings.


  • Assembly part numbers that begin with “B” are balanced by Eagle and require no additional balancing.  Part numbers that do not begin with “B” are unbalanced assemblies and must be balanced by a qualified machine shop before use.
  • All kits are designed for internal balance.
  • Mopar 340 engines have a standard bore size of 4.040". Kits are available in standard bore and .030" oversize.
  • Mopar 360 engines have a standard bore size of 4.000". Kits are available in .030", .040", and .060" oversizes.
  • Eagle Specialty Products reserves the right to substitute pistons due to availability.

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Some parts are not legal for use in California or other states with similar laws / regulations