Higher rpm increased boost/drive pressures, and aggressive camshaft profiles can result in valve float and cause serious damage to diesel valvetrains. Valves can also be blown open by higher boost...

This is the high RPM version of our 24v 103# spring. Triple Shot peened and stress relieved. If you are running over 4,500 rpm and have a cam with over .320? lobe lift, then I suggest these springs...

Your Switch has a nut and two washers. The bottom smooth washer must remain on the bottom with the tab located in hole number five. If it falls out, turn the switch fully counterclockwise and place...

Add years of life to your Dodge Cummins 6.7 Liter diesel engine with this Water Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings (remnants left over...

Fleece Performance has built a reputation as one of the premier truck builders in the industry and strives to keep pushing the limits even higher. The Fleece Performance Engineering team is equipped...

Want a train horn on your car but don’t have space? Our model 141 quad air horn delivers devastating sound with compact, easy to install construction. This air horn can fit in almost any...