These plug covers were designed specifically to compliment the machined valve covers. The standard cover had no coil mounting provisions and is simply a cover. The COP cover has provisions for mounting standard 300M coils underneath.
*THIS IS FOR EVO MACHINED VALVE COVER ONLY*
- Machined 6061 Aluminum Construction
- Fits Frontline Fabrication Billet Evo 4-9 Valve Cover