Walker Products ThunderCore-Ultra Coil on Plug Boots' core/spring and insulation are made with the highest quality material and manufactured to meet or exceed all original equipment specifications and test requirements to help increase fuel economy, improve engine performance, and lower emissions.
Attention California Customers - WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. www.p65warnings.ca.gov
