Performance Distributors S.O.S. Ignition Coil Installation for Jeep Grand Cherokee WK. Performance Distributors newest addition to the S.O.S. -Sultans Of Spark- Coil lineup is now available for the Jeep 3.7L and 4.7L engines. http://www.quadratec.com/products/17610_7003.htm?utm_source=youtube&utm_...
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