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Hooker BlackHeart Clamshell Hardware Kit

GM LS/LT Engine Mount Clamshell Hardware Kit

PART# 71223016HKR

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$7.21   Suggested Retail
$5.84   Holleydays Price
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Replacement Hardware kit for: 71221018HKR (LS clamshell), 71221019HKR (LT clamshell), or to reassemble OEM 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


ApplicationGM LS/LT Engines
BrandHooker 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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         X  Holleydays 2020 20% off and DD
         X  Holleydays 2020 20% off and DD