USA 12.9 LS Transmission Flywheel Bolts Set Flexplate Kit LS1 LS3 LS2 Crankshaft

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USA 12.9 LS Bolts Set for Flexplate Flywheel Kit LS1 LS3 LS2 Crankshaft

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WARNING - This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to


ALUMINUM: Most of the aluminum alloys used today contain some level of lead, usually less than .1%. Lead is known to the state of California to cause cancer and reproductive harm. Most aluminum alloys are physiologically inert in their solid form, and the lead is contained within, however user-generated dust and/or fumes may pose a hazard if inhaled or ingested. Heating beyond a certain temperature may also provide avenues for exposure.


STEEL (steel bolts):  Steel is an iron alloy with several metals including Nickel and Chromium. Both Nickel and Chromium are known to the State of California to cause cancer and reproductive harm, respectfully. This warning applies to stainless steels as well.


LS Flexplate Bolts Set



  • Compatible with: GM LS1, LS2, LS3, LS6, and LS7 series engines (and many more) with 6 bolt Crankshafts (manual and automatic transmission)
  • M11-1.5 thread, 23.5mm length (OEM length, measured underneath head)
  • Package Includes:   6 bolts
  • 12.9 high strength bolts (factory bolts are 10.9 rated)
  • Custom made for ICT Billet in the USA!
*Gen 5, LT and LSA engines use 8 bolt crankshafts (part number 551939)
*LS9 engines require 9 bolt crankshafts 

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