The pulley is different IRRC.
See for yourself: on page 7 of the pdf
http://www.edelbrock.com/sportcompact_new/img/home/dl/2008_sc_cat.pdf
The pulley is different IRRC.
See for yourself: on page 7 of the pdf
http://www.edelbrock.com/sportcompact_new/img/home/dl/2008_sc_cat.pdf