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Product Summary

347, Dome Piston Style, Forged Aluminum Piston Material

    Key Specs

    MFG. Part #
    BrandIcon Pistons

    Need To Know

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    Details

    Formerly KB Pistons. Starting with 2618 alloy heat treated to high-strength T-6 specifications gives you the best value for the money. Exclusive V-Rib adds strength without adding weight but allows maximum cooling.

    • 4.00" bore x 3.40" stroke
    • 5.4" rod length
    • .927" pin diameter
    • Use Ring Style C (1/16", 1/16", 3/16")

    Item Details

    C/R 64cc=11.8, 69cc=11.1
    Piston/Pin Weight: 546 g
    Rod Length: 5.4"
    .150" DomeFeatures:
    • High ductility 2618 alloy
    • Dual forced pin oiling on most applications
    • Lateral gas porting on higher compression ratios
    • Fully machined with deep valve pockets
    • Second land accumulator grooves
    • Top land mini groove technology
    • Diamond finished skirts
    • Triple wound spiral locks
    Features:
    • High ductility 2618 alloy
    • Dual forced pin oiling on most applications
    • Lateral gas porting on higher compression ratios
    • Fully machined with deep valve pockets
    • Second land accumulator grooves
    • Top land mini groove technology
    • Diamond finished skirts
    • Triple wound spiral locks

    Charts

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    Specifications

    KEY SPECS
    MFG. Part #
    BrandIcon Pistons
    GENERAL
    Piston StyleDome
    Piston MaterialForged Aluminum
    Piston Diameter
    Dome Height.150"
    Stroke3.400"
    Connecting Rod Length5.400"
    Piston Weight414 grams
    Piston Ring StyleC
    Wrist Pin Diameter0.9272"
    Wrist Pin Weight135 grams
    Compression 58cc =12.9 : 1
    Compression 64cc =11.8 : 1
    GTIN Code
    Sold in QuantitySet