LS7 Corvette 8 Rib Drive Conversion Kit with 10% Overdrive Balancer

LS7 Corvette 8-Rib Drive Conversion Kit with 10% Overdrive Damper #995

$1,210.00 – $1,225.00

8 Rib Drive Conversion Kit with 10% Overdrive Damper for LS7 Corvette – Includes SFI 18.1 Harmonic Damper.

  • 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.

    • 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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    8 Rib Drive Conversion Kit with 10% Overdrive Damper for LS7 Corvette. Conversion kit includes:

    Qty PN Description
    1 853 8-Rib Drive – 10% Overdrive Damper
    1 974 GM 8-Rib Corvette P/S Pulley
    1 970 8-Rib GM Alternator Pulley or 1088 Underdrive 8-Rib Alternator Pulley
    1 972 GM 8-Rib Smooth Idler Pulley
    1 981 GM Idler Pulley Stand
    1 980 Corvette 8-Rib Ribbed Tensioner Pulley

    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].