Main Stud girdles provide 30-35% more strength to the bottom end of your engine
and they actually prevent main cap flex and main cap walk. Add a windage tray
and you immediately improve horsepower. They effectively create a torque box
effect on your engine and are constructed out of .39" Chromoly steel for
superior strength. All kits feature high grade main cap bolts for reliable
quality strength. they also help improve horsepower by acting like a crank
scraper
Will work with most stroker kits 331/347. We highly recommend the use
of these on ALL HIGH PERFORMANCE ENGINE APPLICATIONS This Ford 289-302 Main Cap
Stud Support is designed to directly tie into the main caps. This design doesn't
need bushings or spacers and doesn't require the main caps to be machined to
mount it. The end result is a girdle that offers more support, is easy to
install, and will clear large strokers. This support is 1/2" thick and is laser
cut out of steel with CNC machined mounting holes, includes all
hardware.
These Main Support Windage Trays bolt to the pre-drilled and tapped
holes on our main cap stud supports. These trays keep the windage around the
rotating assembly away from the oil in the sump and the oil in the sump away
from the rotating assembly. Come with mounting bolts.