Made in USA
415ci Rotating Assembly LS3/L92
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MANLEYPART NUMBER: 660-28415

415ci Rotating Assembly LS3/L92

$3,24999
ShippingShips on 09/28/2026
Lowest PriceLowest Price Guarantee

415ci Assemblies
  • LS3/L92 - 4.070'' Bore
    • 415ci Rotating Assembly
    • LS3/L92
    • 4.070'' Bore
    • 4.000'' Stroke
    • 6.125'' Rod Length
    • -18cc Dish Pistons
    • 10.4:1 w/64cc
    • 10.2:1 w/66cc
    • 9.8:1 w/70cc
    • 9.6:1 w/72cc
    • 58X Reluctor Wheel

    Fully Balanced Rotating Assemblies

    Bullet-proof your LS engine's bottom-end with high quality components from Manley. Your new rotating assembly includes Manley 4340 forged Pro Series LS lightweight crank with a 58-tooth reluctor wheel, 4340 forged H-beam connecting rods, Platinum series pistons, Total Seal low friction 1.5mm, 1.5mm, 3.0mm piston rings, Clevite premium ''H'' series connecting rod bearings and ''P'' series main bearings.

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    Crankshaft Features:

    • Lightweight (LW) and Super Lightweight (SLW) designs
    • 4340 material forgings
    • Multi-step heat treatment process and nitrided for added strength
    • Stress relieved, shot-peened and 100% magnafluxed
    • Micro polished large radius journals
    • Gun drilled mains and lightened rod journals for weight reduction
    • Counterweights fully profiled

      Connecting Rod Features:
    • Manufactured from 4340 forgings
    • Heat treated, stress relieved, shot peened and 100% magnafluxed
    • Weight matched sets ± 1.5 grams
    • Cap fasteners are premium 7/16'' ARP 8740
    • Horsepower range for these rods: 750 HP

      Piston Features:
    • 2618 high strength material lightweight design
    • Offset wrist pin design
    • Machined for reluctor wheel clearance
    • 1.5, 1.5, 3mm ring package
    • Forced pin oiling, pressure balance groove and precision pin fitting
    • .927'' diameter Premium Chrome Moly wrist pins included with round wire locks
    • Total Seal piston rings


    Part TypeEngine Rotating Assembly Kit
    Product LineManley LS Engine ''Ready To Run'' Rotating Assemblies
    BrandMANLEY
    Package Height12.5
    Package Width12.7
    Package Length18.3
    Weight27.65 PG
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number28415
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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