1、Made of high quality aluminum alloy, it is durable and wear resistant 2、When upgrading carburetor and manifold on 90cc, 110cc, 125cc pit bikes and quads, runner plates provide more fitting options for tight spaces 3、Install the runner plate to the cylinder head and install the inlet manifold to the runner plate, the angle depends on your needs 4、A paper spacer is required on both sides of the runner plate 5、This CNC-made component is suitable for all large-scale products imported from China, fit for Stomp Demon X/WPB/Orion/M2R/Lucky MX/Thumpstar/Explorer/Braaap/Atomic/Pitpro/Pitster Pro/DHZ/SSR/Piranha Features: Made of high quality aluminum alloy, it is durable and wear resistant. When upgrading carburetor and manifold on 90cc, 110cc, 125cc pit bikes and quads, runner plates provide more fitting options for tight spaces. Install the runner plate to the cylinder head and install the inlet manifold to the runner plate, the angle depends on your needs. A paper spacer is required on both sides of the runner plate. This CNC-made component is suitable for all large-scale products imported from China, fit for Stomp Demon X/WPB/Orion/M2R/Lucky MX/Thumpstar/Explorer/Braaap/Atomic/Pitpro/Pitster Pro/DHZ/SSR/Piranha. Specifications: Condition: 100% Brand New Material: Aluminum Alloy Color: Black, Gold, Blue, Red (Optional) Model: 488859 Outside Diameter: approx. 57.5mm / 2.3in Internal Diameter: approx. 28mm / 1.1in Thickness: approx. 9mm / 0.4in Distance between fixation holes (eye center to eye center): approx. 45mm / 1.8in Package list: 4 * Carburetor Modification Interface 4 * Washer