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![Engine Mount Thru-Bolt Hardware Kit for GM LS, LT Engines [Zinc Plated Steel]](https://www.jegs.com/images/mini_750/500/520/520-71223015hkr.jpg)
Vehicle Info NeededHOOKER HEADERSPART NUMBER: 520-71223015HKR
Engine Mount Thru-Bolt Hardware Kit for GM LS, LT Engines [Zinc Plated Steel]
$2179
1 left in stock
Ships on Nov 02, 2026
Lowest Price GuaranteeGM
Engine Mount Hardware
Engine Mount Hardware
Engine Mount Thru-Bolt Hardware KitGM LS, LT Engines Hemi Gen III Poly Mounts M12x1.75 x 150mm Flange Head Bolts Class 10.9 Includes 2 Bolts and 2 Nuts Steel Zinc Plated Sold as a Kit
Stock replacement engine mount through-bolts are hard to find because of their uncommon length. This kit supplies M12x1.75x150mm flange head bolts for GM LS/LT and Gen III Hemi engines running poly mounts or OEM rubber mounts.
Hooker BlackHeart 71223015HKR Features:
- M12x1.75x150mm class 10.9 flange head bolts for strength.
- Zinc plated for corrosion resistance.
- Works with aftermarket polyurethane mounts or OEM rubber mounts.
- Includes 2 flange head bolts and 2 flange nuts.
Crucial Mounts for Vehicle Stability
Hooker BlackHeart Engine and Transmission Mounts are designed with durability, performance, and ease of installation in mind. Mounts are constructed of a polyurethane and designed to outlast even the best factory rubber mounts
Part TypeMotor Mount Bolt
Product LineHooker BlackHeart Engine and Transmission Mounts
BrandHOOKER HEADERS
Package Height1.4
Package Width5.7
Package Length6.1
Weight0.76 PG
Part CategoryPerformance Parts
QuantitySold as a Kit
Part FitmentUniversal
Vendor Part Number71223015HKR
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
