Yeah the diameters don't determine the engine spec, they vary between brands and design. All of these are definitely VTEC specific though and I've run them all on H22a's. I can't tell you what brand the red ones are though I'm afraid.SiR_Chris wrote:Interested in the red set mate, but I thought 8.5mm were the VTEC ones? (Unless that is just Magnecor?) What brand are your ones?
Think they're these...
http://www.ebay.co.uk/itm/8MM-RED-SILIC ... 1c43279a61