Erwin,
It is quantity. Here check out the Innovate Motorsports url -

http://www.innovatemotorsports.com/products/g2_gauge.php

'06 SM with T100/America Wheels (D&D's, 10.5 to 1 Wiseco pistons, TTP Igniter +3, K&N PODS, 150 x 40, FZ1 springs & TBS needles w/3 shims)