Hit CTRL + U and now compare the 2 pages you can see that this page has just 3 products on it this means that about 90% of the content on this page i.e. the header, sidebar, footer is the same as this page.
1. Your titles are also very similar one is 1994-02 5.9L Dodge Cummins Diesel Performance Parts and the other is 1994-98 5.9L Dodge Cummins Carbon Fibre Hoods make sure your titles lead with the difference i.e.
Carbon Fibre Hoods for 1994-98 5.9L Dodge Cummins
2. Canonise your Product Pages - make sure you use the rel="canonical" on the individual product listings
3. Remove the common text - e.g. opening hours from the sidebar and consider a page specifically for that content
4. Try adding a unique paragraph to each page - this is easier said than done depending on your CMS but every little helps