Unrivaled Customer Service
And Expert Tech Advice!  
Same Day Shipping Before 11 PM ET
My Cart
Shop By Vehicle
Shop By
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories

Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates

Eagle 12919125

Eagle Chevy LS Competition Rotating Assemblies

Eagle 12919125
Representative Image
Product images may differ from actual product appearance.


jegs shipping
FREE Shipping
Ships directly from the manufacturer
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
Eagle 12919125 Eagle Chevy LS Competition Rotating Assemblies $2,090.99
Competition Rotating Assembly
Stroke: 4.125
Disp. @ 4.125: 441
Rod Length: 6.125
Pistons: -8cc Flat Top
Rings: File Fit
Comp. Ratio 66cc: 11.7

Eagle 12919125 Details

LS Competition Rotating Assemblies

  • 4.125" Bore
  • 72cc L92 Heads
  • 24 Tooth Reluctor

    Internal Balance - Flexplate/Flywheel and Balancer Not Included

  • Specifications:

    Manufacturer's Part Number:

    The Eagle Chevy LS Competition Rotating Assemblies offer ultimate performance, reliabilty and strength for engines producing up to 750 horsepower. These affordable kits include quality components including an Eagle 4340 forged steel crankshaft, Eagle H-Beam rods, Mahle or Arias pistons, Hastings rings and Clevite or King bearings!

  • All kits are designed for internal balance.
  • LS1 and LS6 engines feature a standard bore size of 3.900", kits are available in .005" oversize.
  • LS2, LQ4/LQ9, LY6 and L76 engines feature a standard bore size of 4.000", kits are available in .005", .010", .030" and .060" oversizes.
  • LS3/L92/L99 and LS9 engines feature a standard bore size of 4.065", kits are available in standard bore, .005" and .060" oversizes.
  • LS7 engines feature a standard bore size of 4.125", kits are available in standard bore and .030" oversize.
  • Please verify reluctor ring tooth count, bore size and cylinder head volume to ensure proper kit selection.
  • Eagle Specialty Products reserves the right to substitute pistons due to availability.

  • What's the hp rating for this kit

    Asked by: 87Chris
    These kits will work with engines up to 750 HP, it will depend on the rest of your components like intake and cylinder head, camshaft to determine the actual HP numbers.
    Answered by: Rusty B
    Date published: 2018-04-10
    • y_2018, m_4, d_19, h_9CST
    • bvseo_bulk, prod_bvqa, vn_bulk_2.0.8
    • cp_1, bvpage1
    • co_hasquestionsanswers, tq_1
    • loc_en_US, sid_10001_10001_2856347, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations