Team Orion Alpha ABI.... great engine!!!...a lot of power..

Guys...a question...I want to make lighter my car...I want to change some screws into titanium ones... but there a lot of diferent manufactures...wich one do you recomend me??...
Some ones told me that mugen titanium is lighter than lundsford, but mugen are less stronger ones... I want turnbuckles too... and pivot ball screws...
Thaks for help