Exergy Stroker CP3Exergy Engineering has designed the stroker pump to be the to fill the gap for guys needing big power without the packaging constraints imposed by dual fuelers. These pumps were designed for output and durability, the prototypes were run on a test bench at 6000RPM for days at a time without wearing the bores. 10mm: They're capable of supporting power levels up to 800 rwhp, while being a breeze to tune. If you're running a 750rwhp truck and want a