Holiday Shipments: From Dec. 1 - Jan. 15 orders will have longer delivery times with all carriers (USPS, FedEx, and UPS) due to higher volume. This applies to Ground, Priority, and Overnight.
Online checkout: We are currently experiencing a service disruption and are unable to process payments online. Please check back in a few hours. Thank you for your patience.
Which plugs for my Porsche?
Small screw holes
For hole sizes 9/32" or smaller (usually with rough edges)
Factory square holes
For square holes that measure 6mm x 7mm (993, 986, 996 models). Some older models..
Which plugs for my Subaru?
Small screw holes
For hole sizes 9/32" or smaller (usually with rough edges)
Round factory holes
For hole sizes 5/16" or larger (with clean edges)
Large holes?
..
Early Acura Model?
Some Acura models (2007-2010) have very large holes in front. Please measure and be sure the holes are no larger than 9/32" diameter. If you have holes like this, our product will not be compatible...