KB Performance Forged Piston Kit - 4.005 in. Bore (w/Screamin Eagles 95cc Heads) - KB661C.005

    KB Performance Forged Piston Kit - 4.005 in. Bore (w/Screamin Eagles 95cc Heads) - KB661C.005

    MSRP: $335.95

    Price: $258.88 23% off!
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    KB Performance Forged Piston Kit - 4.005 in. Bore (w/Screamin Eagles 95cc Heads)

    • Pistons forged from 4032 aluminum alloy
    • Forged 4032 alloy is an 1% silicon alloy that is formed in a forging press then fully machined
    • The combination of this alloy and forging process allows the piston to flex under detonation or preignition, giving the best resistance to cracking
    • Since 4032 alloy has a low expansion rate but higher than Hypereutectic, it will require about a .001 in. wider piston to wall clearance
    • Forged pistons are suited for Street or Race with power adders such as NOS or boost
    • Feature an anti-friction skirt coating
    • Offset pin design for quiet operation
    • Each kit contains 2 pistons, pins, spiral-lock pin clips and Hastings moly rings


    True 10:1 with Screamin Eagle (MVA) Maximum Velocity Area Heads

    For 2007-2015 96 in./103 in. Bored to 110 CU. In. (w/Screamin Eagles 95cc Heads)(Coated Skirts)

    Bore: 4.005 in.
    Stroke: 4.375 in.
    Comp Hgt: 1.076 in.
    CC: -4.2
    Comp. Ratio: 10:1

    Specifications
    Bore Size 4.005 in.
    Compression Ratio 10:1
    Mfg #: KB661C.005
    Part #: 13339405
    Type Piston Kit
    Units Each
    Weight 2.75 lbs
    Vendor Part Number(s):
    09103974
    UPC Code:
    800745242723
    Fitment for KB Performance Forged Piston Kit - 4.005 in. Bore (w/Screamin Eagles 95cc Heads)

    Part 13339405 fits the following machines

    Harley-Davidson

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