Oil Rule for 50cc-125cc Dirt Bikes, Go Karts, ATVs New Oil Rule It fits most Chinese 50cc-125cc Dirt Bikes, Go Karts and ATVs, please check pictures and specifications for compatibility Length:3" (About 75mm) Please identify X-Pro. Top Quality Guaranteed. Great Price. Fast Shipping. Good Service. Why our customers choose X-Pro: 1. Fast Delivery Unlike many online retailers, we carry all our own stock and ship everything from our U.S. warehouse. 2. Know you're getting the right parts. Because we handle all of our own stock, we are able to offer you the clearest photos and most up to date specs on all of our products. While many of our competitors' products offer grainy and out of date spec sheets, our measurements are regularly made in-house to ensure order accuracy and customer satisfaction. 3. Great prices. As a direct importer, we cut out the middle-man and pass the savings along to you. Our prices are more than competitive. 4. Great value. Our branch offices oversea allow us to inspect our supplier's factory lines, ensuring that our parts are OEM quality or better. This high standard of quality combined with our low prices, accurate specs, and fast delivery makes the leader in its field.