LS1, LS2, LS6 Corvette 10 Rib Drive Conversion Kit with 10% Overdrive Damper #903

LS1, LS2, LS6 Corvette 10 Rib Drive Conversion Kit with 10% Overdrive Damper #903

$1,605.00 – $1,645.00

10 Rib Drive Conversion Kit with 10% Overdrive Balancer for LS1, LS2, LS6 Corvette.

  • NOTE: The Super Duty Blower Hub option is a thicker hub that provides greater resistance to hub cracking under high power supercharged applications (750 rwhp and greater). This option includes a new custom made timing cover seal to adapt the oversized hub to a stock timing cover.


  • NOTE: The Underdrive Alternator option is a larger diameter alternator pulley (2.800″) that is designed to slow the alternator down when ran on high rpm race engines (7500 rpm or higher). The underdrive alternator pulley will slow the alternator down and may cause charging issues at idle for street driven vehicles.

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    Options

    Double 3/16" Keyway Add On

    Add an additional 3/16 Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase. This is a labor option for new damper purchase only.

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    Conversion kit includes:

     

    Qty PN Description
    1 920 Corvette 10-Rib W/P Pulley
    1 915 Corvette 10-Rib Ribbed Tensioner Pulley
    1 914 GM 10-Rib Smooth Idler
    1 913 GM 10-Rib Alternator Pulley or 1091 Underdrive 10-Rib Alternator Pulley
    1 910 Corvette 10-Rib P/S Pulley
    1 981 GM Idler Pulley Stand
    1 844 10-Rib Drive – 10% Overdrive Damper

    Any additional aftermarket pulleys must be sourced from the manufacturer of those pulleys. Includes SFI 18.1 Harmonic Damper.

    GM LSX Motors [PDF Format].
    GM LSX 8-Rib & 10-Rib Drive Conversion Kit Install Instructions [PDF Format].
    Damper Hub Honing Instructions [PDF Format].