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Pro Series Flexplate Bolt Kit for GM Gen III/IV LS Engines [12-Point, 35 Chromoly]
InfoVehicle Info Needed
TOP STREET PERFORMANCEPART NUMBER: 743-734-21155

Pro Series Flexplate Bolt Kit for GM Gen III/IV LS Engines [12-Point, 35 Chromoly]

$1780
ShippingShips on 11/11/2026
Lowest PriceLowest Price Guarantee

Pro Series Flexplate Bolt Kit
  • GM Gen III/IV LS Engines
  • 12-Point Head
  • 35 Chromoly Construction
  • Black Finish
  • Sold as a Kit

    This Pro Series flexplate bolt kit is built for GM Gen III/IV LS engines and replaces factory fasteners with stronger hardware for rebuilds and performance builds. Chromoly bolts deliver consistent clamping force and resist stretching under high cylinder pressure.

    Top Street Performance 734-21155 Flexplate Bolt Kit Features:

    • Designed for GM Gen III/IV LS engines
    • 12-point head design
    • 35 Chromoly construction
    • Black finish
    • Complete kit for one engine
    • Part TypeFlexplate Bolt
    BrandTOP STREET PERFORMANCE
    Part CategoryPerformance Parts
    ColorBlack
    QuantitySold as a Kit
    Fastener StyleBolt
    Material35 Chromoly
    Part FitmentSemi Universal
    Head Style12-point
    Vendor Part Number734-21155
    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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