Holley Kits

Hooker BlackHeart LS Swap Kit

1997-2006 Jeep Wrangler TJ/LJ w/ 6-Cylinder Frame LS Swap Kit

Part # VK090181
Estimated Ship Date: Coming Soon
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Vehicle emissions regulations are not applicable to this item.

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GM LS Engine Swap Kit Includes Engine Mounting Brackets, Clamshell Engine Mounts, Poly Inserts, Through Bolts, and Transmission Mount. Add some series torque and power to your Jeep Wrangler with a GM LS engine swap. These engine-mounting components are one part of a fully engineered swap system that provides maximum component clearances, and ideal drivetrain geometry. These engine mounts work together with the stock skid plate / transmission crossmember to mount the transmission & stock NP231J transfer case.


  • Designed to use most of the stock engine frame mounts to minimize necessary fabrication
  • High arch design maintains upper control arm to frame clearance
  • Does not require the use of a body or suspension lift (when used with a 4L60E/4L70E and stock transfer case) to allow for budget friendly build options
  • Designed to install a GM LS engine (Gen lll, lV) with a TH350, TH400, 4L60E, 4L80E or 6L80 transmission into a 6 cylinder Jeep TJ/LJ chassis by mating them to the stock Jeep Wrangler NP231J transfer case with aftermarket adapter.
  • Does not require removal or replacement of the stock steering shaft support bracket for simplicity
  • Maintains the stock passenger-side offset of jeep 4.0L engine to prevent alteration of linkage and other associated parts
  • Works with stock, transfer case drop, or belly-tuck drivetrain installations allowing several design/component options
  • Compatible with the stock skid plate, or aftermarket transmission cross members and skid plates for convenience
  • Includes “clamshell” style engine mounts and polyurethane inserts for trouble-free use and serviceability
  • All hardware included
Application1997-2006 Jeep Wrangler
Brand Holley Kits
Emission Code6
EngineGM Small Block Gen III/IV (LS Based)
Product TypeEngine & Transmission Mount Kit
Type of ComponentEngine & Transmission Mount Kit
Part NumberVK090181

Vehicle emissions regulations are not applicable to this item.
*Not compatible with 4 cylinder frames *Bare steel engine mounting brackets, weld-on design. Requires painting.

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

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