Ngk cr8hsa, cr8hix, cr8hvx, cr7hsa, cr7hix

this would be a good post to stick or pin at the top so its easy to find once this sections of the forum grows more, just my opinion :righton

NGK CR8HSA - Cold weather plug, runs hotter
(Engine damage may result if used in hotter weather)

NGK CR7HSA - Regular recommended plug

Wouldn't want anyone else to learn the hard way.