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Hooker BlackHeart

Hooker BlackHeart Clamshell Hardware Kit

GM LS/LT Engine Mount Clamshell Hardware Kit

Part # 71223016HKR Be the first to write a review
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Replacement Hardware kit for: 71221018HKR (LS clamshell), 71221019HKR (LT clamshell), or to reassemble OE (Original Equipment) clamshells after rivets are drilled out for poly replacement


  • Allows reassembly of stock LS clamshell found in 4th gen F-Body cars if drilling rivets out and replacing stock rubber mount with poly insert
  • Grade 8 hardware for strength
  • Zinc plated for corrosion resistance
  • Includes 4 bolts, 4 washers, 4 locknuts

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
Emission Code5
Motor TypeGM LS/LT
Product TypeEngine Mounts
Type of ComponentHardware Kit
Part Number71223016HKR

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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