Check the listing for details. PEM # 65004A set 4A Premium Lightweight Quick Change Gear Set. Condition: New. Listed at 151.95 USD. Set # 4A PEM Premium Lightweight Quick Change Gear, New. great for crate cars & strong enough for big motor cars PEM part number 65004A. 18/23 tooth. 5.25 ratio with a 4.11 ring & pinion 6.21 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, Dale McDowell, Brandon Overton and many others in dirt late models. 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. 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 UPS Ground or Priority Mail with Insurance and will send a Tracking/Delivery Confirmation Number after shipped. WARNING: Cancer And Reproductive Harm- www.P65Warnings.ca.gov