The MSD Stacker Ignition connects to your vehicle's wiring without disconnecting anything! Actually, the factory ignition remains in place and the Stacker delivers a powerful CD spark to improve the initial ionization of the plug gap to improve combustion in the cylinder. The two spark profiles work together to give you a great boost in ignition power in an economical ignition control. The majority of stock ignition systems are inductive designs. Simple to install with no cutting or disconnecting wires. Powerful capacitive discharge sparks improve combustion for increased performance. Diagnostic LED confirms operation at a glance. Models for most any application from distributors, to coil packs and individual coils per cylinder. For engines with non-integrated individual coils per cylinder. Up to eight cylinders. 7020$461.99 Don't see what you want? .......... Need help? Or, IF THERE IS NO ORDER BUTTON AVAILABLE on the part you want to buy, please call us TOLL FREE at 1-888-6 GO FAST(1-888-646-3278) Monday - Friday 8AM - 4:30PM Pacific Time and talk to one of our experienced Sales Agents. Some parts may not be legal for sale or use in California and other states on any polution controlled motor vehicles. Check your local laws for use. Copyright © GoFastParts.com all rights reserved. No part of this site may be reproduced without prior written consent.