The Bert Transmissions Idler Gear, part number BER303, is an essential component in optimizing your vehicle's drivetrain performance. With dimensions of 5.7 inches in length, 4.45 inches in width, and 1.5 inches in height, this steel idler gear is designed to fit seamlessly into Bert flywheel housings. Ideal for manual transmissions, this gear guarantees smooth operation and longevity, making it a reliable choice for professional mechanics and car enthusiasts alike.