Hooker BlackHeart Engine Mount Thru Bolt Hardware Kit

GM LS/LT Engine Mount Thru Bolt Hardware Kit

PART# 71223015HKR

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Factory replacement M12x1.75x150mm flange head bolt kit; Stock replacement bolts are hard to find due to their uncommon length. This kit can be used for either LS or LT poly mounts


  • Can be used for aftermarket poly mounts or OEM rubber
  • Class 10.9 for strength
  • Zinc plated for corrosion resistance
  • Includes 2 flange head bolts and 2 flange nuts


ApplicationGM LS/LT Engines
BrandHooker BlackHeart
Emission Code5
Motor TypeGM LS/LT
Product TypeEngine Mounts
Type of ComponentHardware Kit
Part Number71223015HKR



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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        Some parts are not legal for use in California or other states with similar regulations.

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