S2572-0RX, Renix Super Kit, Classic Polyurethane

Your Price: $299.95

Part Number: S2572-0RX

Made by : Brown Dog Industries

Includes: Everything shown plus 2 stickers

Shipping: Free - USA & APO/FPO (military) addresses

Warranty: Lifetime - Except replaceable bushings

Made In: USA - Including all components

Note: Includes Renix Anti-Knock Sensor Adapter

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Super Kit: Includes Super Engine Brackets and Classic Polyurethane Motor Mounts for 1987-1990 XJ and MJ with Renix Fuel Injection 4.0L Engine.

Change engine mount system never have to do it again.

Super Strong Engine Brackets - Uses 7 Thread Bosses, Left; 8 Thread Bosses, Right.
Includes Anti-Knock Sensor Adapter (see next picture above) for use with Renix fuel injection system on 4.0L engines in 1987-1990 Cherokee XJ and Comanche MJ.
High Performance Classic Polyurethane Motor Mounts - Stock Height.
All Grade 8 or M10.9 Hardware.

Super Engine Brackets virtually eliminate offroad torsional forces snapping bolts or ripping the bracket from the case. Featuring more attach points than original brackets, the design spreads engine block attachment stress loads. Left bracket utilizes seven engine thread bosses, four more than the original. Right bracket features eight bolts, five more than the original. Double-welded, all-steel construction for extra strength. No engine block modification necessary. Fits up to existing 4.0L Jeep engine block bolt pattern. Includes Anti-Knock Sensor Adapter for use with Renix Anti-Knock Sensor.

High Performance Motor Mounts feature all-steel, double-welded construction. Stock-height, these are high-strenth replacements for the originals. Designed to stand up to the toughest trails Arizona can dish out. (Sorry Utah, we can't stand the cold.) When compared to the originals and most others, these are a substantial upgrade. The original mounts, designed for street driving, simply won't stand up to the torsional stress experienced offroad.

Featuring Classic Polyurethane bushings, these mounts give your Jeep a sportier feel. Prefer Ultra-Flex Rubber to absorb drive line vibration? Check out Super Kit SU2572-0. Not sure whether to select Classic Polyurethane or Ultra-Flex Rubber? Compare here.

Ships with Grade 8 Hardware (or M10.9 equivalent) required to bolt engine brackets to existing engine block bolt pattern. Also includes new Grade 8 thru-bolts, lock nuts and washers for securing brackets to motor mounts.

Application Notes:

1987-1990 4.0L Comanche MJ
1987-1990 4.0L Cherokee XJ
If your Comanche or Cherokee is one of these years, but no longer uses the Renix fuel management system, please order S2572-0 to get the proper installation hardware in lieu of the anti-knock sensor adapter.

Installation Notes

In preparation for installation, we suggest using brake fluid cleaner or PB Blaster to clean out the additional engine block thread bosses.
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.