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JEEP Model, Year, and Engine We ONLY SUPPORT those vehicles and engines listed below. Grand Cherokee: No Products

A2572-R, Super Bracket, Right, 1987-1990 Jeep Wrangler YJ 4.2L I6

Your Price: $189.95
Part Number: A2572-R
Includes: Everything shown plus 1 sticker
Made in USA: Using USA steel, bushings, hardware, etc.
Warranty: Lifetime
Brown Dog Right Super Engine Bracket for 1987-1990 Jeep Wrangler YJ 4.2L I6

Right (passenger-side) Super Engine Bracket ships with four Grade 8 or metric equivalent attachment bolts - one more than the originals. The additional bracket to engine block attachment point virtually eliminates offroad torsional forces shearing bolts or ripping bolts from case. No engine block modification necessary. The additional threaded bolt hole is already in the block.

As with all Brown Dog engine brackets, Super Brackets feature the Brown Dog's unique lipless design which eases installation of MMLs. This all-steel double-welded engine bracket accepts stock-height motor mounts (MMs) or 1" or 2" motor mount lifts (MMLs). Unique lipless bracket design will not interfere with installation of 1" or 2" MMLs.

Purchase brackets individually or as kit with motor mounts or motor mount lifts.
When converting to these brackets, we strongly recommend upgrading to Brown Dog high-performance motor mounts or motor mount lifts. The original mounts, designed for street driving, simply won't stand up to the torsional forces experienced offroad. Change mounts and brackets all at the same time. And never have to do it again. Kits include:
  • Super Kit, A2572-0, includes a pair of Super Engine Brackets and pair of Classic Polyurethane Motor Mounts.
  • Super Kit, AU2572-0, includes a pair of Super Engine Brackets and pair of our proprietary Ultra-Flex Rubber Motor Mounts.
  • Super Kits, A2572-1 or A2572-2, includes Classic Polyurethane 1" or 2" Motor Mount Lifts (MML) and pair of Super Engine Brackets.
  • Super Kits, AU2572-1 or AU2572-2 includes a pair of our proprietary Ultra-Flex Rubber 1" or 2" Motor Mount Lifts (MML) and pair of Super Engine Brackets.
The Brown Dog ships all new Grade 8 hardware (or metric equivalent) required to bolt brackets to four attach points in the existing engine block. Grade 8 through-bolts, lock nuts and washers are also included for securing brackets to motor mounts or motor mount lifts.

Application Notes
Utilizes existing bolt pattern found on right (passenger) side of 4.2L (inline 6 cylinder) Jeep engines. (Unlike the later 4.0L blocks, there are only 4 useable thread bosses on this engine.) 
  • Wrangler YJ 4.0L & 4.2L I6, 1987-1990

Installation Notes

  • In preparation for installation, we suggest using naval jelly, brake fluid cleaner or PB Blaster to clean out the additional engine block thread boss. A spiral wire brush will also be useful. 
  • A copy of the installation instructions showing which holes take which bolts will be included with your bracket. We can also email it ahead of time when requested.