• GS Products solid roller lifters are 100% USA made from 8620 high quality steel on precision CNC equipment and backed by over 40 years of lifter manufacturing.
• Pressure Fed axle oiling insures longevity and the best defense against pre-mature failure.
• Premium Heat Treated tie bars assembled with High temperature fatigue resistant aircraft grade fasteners.
• Designed to fit Aftermarket Blocks.
.904 Ultra Pro