Check the listing for details. PEM # 65019 set 19 Premium Lightweight Quick Change Gear Set. Condition: New. Listed at 151.95 USD. Set # 19 PEM Premium Lightweight Quick Change Gear, New. PEM part number 65019. 21/25 tooth. 4.89 ratio with a 4.11 ring & pinion 5.78 ratio with a 4.86 ring & pinion High Strength Alloy Steel for higher HP cars with bigger tires. LW Drilled. 1.5 lbs. lighter decreases your rotating weight. Great for crate late models for less rotating weight plus UMP Late Models, Sprint Cars and East Coast Modifieds. These Gears sets raced by Bobby Pierce and Jason Feger in dirt late models. Also ran by Ricky Logan in Sprint Cars. John Hunter Nemechek in pavement late model. Devin Gilpin UMP Modified 2012 National Champion runs these gears. REM ® polished for less friction and longer life. QC Gears run cooler with REM finishing! 10 spline gears- Fits Winters, Frankland, Bulldog (DMI), Tiger, PEM, Halibrand, Jones and other Quick Change Rear Ends. FREE Shipping via USPS PRIORITY MAIL shipping info 636 / 629 6200 Disclaimer. Warning! Auto racing is a hazardous sport. No warranty or guarantee is made or implied regarding any racing product sold by Performance Engineering and Manufacturing, LLC. User assumes all risks. We will ship using USPS Priority Mail and will send a Tracking/Delivery Confirmation Number after shipped. WARNING: Cancer And Reproductive Harm- www.P65Warnings.ca.gov