These Wiseco Sportsman Series Pistons are geared toward budget minded consumers looking for the best bang for their buck in quality forged racing pistons. The features you would normally find in a high quality set of Wiseco Pistons can be found at an affordable price with Pro Tru. All applications are CNC machined with symmetrical valve pockets and feature pressure fed pin oiling with precision finished full floating pins. These pistons give you the reliability expected from a Wiseco design at a great price. Made in the USA!
Chromium Alloy Steel Piston Pins & Spirolox
Pressure fed pin oiling
Precision finished piston pin hole
CNC machined symmetrical domes
Oversized, symmetrical, radiused valve pockets
Ring Grooves: 1/16", 1/16", 3/16"
ArmorGlide skirt coating - Superior to graphite or PTFE based formulas, benefits
include longer piston life, increased horsepower, noise reduction, and much
tighter dimensional tolerances than typical spray-on coatings.