Keihin original carburetor, guaranteed manufacturing quality. Aluminum alloy body for weight savings. PWK carburetors are known for their performance and ease of adjustment. Many motocross machines come equipped with them as standard. PWK carburetors feature a chrome-plated "D" shaped throttle slide that improves throttle response for optimized starts. The float bowl is equipped with a bowl plug for quick jet changes. Available in diameters 28, 36, 38, 39. Packaging: 1