- 20,145
- Australia
- VIPERGTS01
misnbluThis can cause a loss of power and efficiency with cars like mine and unbelievably, the Skyline. I'll be honest with you, I didn't realize they used a coil over plug setup for the Skylines
Yep under the the cover (Nissan twincam 24valve cover)

Most people just replace them for spitfire replacements that still fit under the cover, $1000 though