1987-1992 Jeep Comanche 4.0 Supercharger


Supercharger for 1987-1992 Comanche 4.0 L

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SKU: BTM90FTC121BMJ40SM Category:


No hood modification necessary!
Custom intake manifold included
Safe, reliable, affordable.
Low boost, instant boost, no lag
Easy install, 4-6 hours typical install
*4-7 pounds boost on the stock 4.0L
Works and has been tested at all altitudes
Utilizes a modified GM 3.8L Eaton M90 supercharger
Rotor pack and nose drive are easily rebuildable
Retains A/C! No relocation of any engine components, uses stock tensioner pulley
Will work for ‘strokers’ 4.5+L engines, but expect lower boost, +20-25% increase power
Fully compatible with all bolt-ons, 62-70mmTB, cat back exhaust, 703/784 injectors, roller rockers, even cam and ported big valve heads
Completely stock EFI settings and function when not in boost
7th injector, 60lbs/hr, provides additional fuel under boost and liquid intercooling effect
Split Second FTC controls boost timing retard and auxiliary 7th injector control
FTC is fully laptop programmable
FTC comes with base tune pre-loaded
Split Second FTC must be spliced into your jeep’s existing wiring harness
Requires newer-style 3-bolt power-steering pump

* altitude dependent. unit comes with standard pulley, higher boost pulleys can be purchased under accessories.

WARRANTY: Unless otherwise stated on the invoice, Boosted Technologies parts are warranted for a period of 12 months from the original purchase date shown on the invoice. A copy of the original dated invoice must accompany any part that is returned because of a warranty claim. During the warranty period, Boosted Technologies will repair or replace, at its discretion, any product found to be defective in material or workmanship. It is the customer’s responsibility to obtain an RMA number from Boosted Technologies before returning any product. The customer is responsible for the return shipping costs to us, and the cost of return shipping to the customer will be covered by Boosted Technologies if the the problem is determined to be a warranty issue.

In the event of a possible defect in material or workmanship, the responsibility of Boosted Technologies is strictly limited to the repair or replacement of the defective component.

Boosted Technologies products are designed to work on stock, unmodified vehicles, as supplied by the original manufacturer. Due to the complexity and variety of modifications possible, Boosted Technologies makes no claims as to the merchantability or fitness of any part. Rather, it is up to the purchaser to determine if the part is compatible with his/her application.

WARNING: Please take extra care to familiarize yourself following installation, as this supercharger will result in a significant change to the performance characteristics of your vehicle. Boosted Technologies is not responsible for improper installation, incidental and consequential damages, property damage, personal injury damages, labor costs, transportation or other incidental or consequential charges; or storage or rental-car charges, to the extent permitted by law in any installation or use of this product.

RETURN POLICY: All sales are final.


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