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Hooker BlackHeart

Hooker BlackHeart Engine Mount Thru Bolt Hardware Kit

GM LS/LT & Mopar Gen III hemi Engine Mount Thru Bolt Hardware Kit

Part # 71223015HKR Be the first to write a review
Estimated shipping date: 02/18/2022
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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 GM LS/LT & Mopar Gen III Hemi poly mounts


  • Can be used for aftermarket poly mounts or OEM rubber (Rubber Mounts are for GM 4th Gen F-Body)
  • Class 10.9 for strength
  • Zinc plated for corrosion resistance
  • Includes 2 flange head bolts and 2 flange nuts

About Hooker BlackHeart

The BlackHeart team utilizes the latest technology and materials to design exhaust systems, engine swap kits, and mufflers for both import and domestic cars and trucks. Hooker Blackheart is platform-engineered to provide superb performance, aesthetics, and fitment.

ApplicationGM LS/LT Engines
Brand Hooker BlackHeart
Choose Your PartEngine Mount Bolts
Emission Code5
Motor TypeGM LS
Product TypeEngine Mounts
Type of ComponentEngine Mounts
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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