Thanks Leyland
Looking at the side x side photo it looks like the red riser is actually another 1/4" or so, taller than the two short yellow ones which makes it getting close to almost doubling the standard yellow 3" riser.
Looking at the side x side photo it looks like the red riser is actually another 1/4" or so, taller than the two short yellow ones which makes it getting close to almost doubling the standard yellow 3" riser.