Piston Ring Set (1Cyl) Standard Fits for 86mm STD for Hyundaaii KIIAA 2.0L SE L4 HY13 23040-2G400 Please note : If you require the size of the Piston Rings, please message us directly we will share all the sizes with the best possible information & photos. This Listing is compatible for 1 Piston only. If you do require set for your complete engine please book your order according to your engine specifications tem Specifics Engine Model : V2403 / V2203 Size : STD Piston Bore Size : 87mm Brand : Aftermarket New THIS PISTON RINGS SET PHOTO IS FOR 1 PISTON. IF YOU WANT SET FOR COMPLETE ENGINE, PLEASE BOOK ORDER FOR 3 CYL or 4 CYL or 6 CYL AS PER YOUR ENGINE REQUIREMENT. Any query, you can free to ask from us through eBay messages. We try our best to provide you all the details... !!...BULK INQURIES ARE ALSO ACCEPTED AT ATTRACTIVE PRICES...!! A piston ring is a crucial component of internal combustion engines, designed to form a seal between the piston and the cylinder wall. It plays a vital role in controlling the oil consumption, improving heat transfer, and maintaining proper compression within the engine. Typically made of high-strength cast iron or steel, piston rings ensure smooth engine performance, reduce friction, and help in preventing the leakage of gases. Essential for vehicle engines, generators, and compressors, they enhance fuel efficiency and longevity by reducing wear and tear in the cylinder assembly. Ideal for automotive, industrial, and marine applications, quality piston rings extend engine life and reliability. s Needed: Piston ring expander (optional but recommended) Piston ring compressor Torque wrench Socket set Engine assembly lube Steps to Install Piston Rings: Prepare the Piston: Clean the piston thoroughly, ensuring it's free from any dirt or debris. Inspect it for any signs of wear or damage. Check Ring Orientation: Piston rings often have markings indicating the top side. Make sure you follow the manufacturer's orientation instructions for each ring. For instance, compression rings may have an "up" mark. Install Oil Control Rings (First): Start with the oil control ring (the bottom-most ring). Some oil rings come as a three-piece set: two thin rails with a wavy expander in the middle. Insert the expander into the groove first, followed by the two rails, one above and one below it. Be careful not to overlap the ends of the expander. Install Compression Rings: Using a piston ring expander, carefully stretch the lower compression ring just enough to fit over the piston and into the second groove. Avoid overstretching, which can damage the ring. Repeat the same process for the top compression ring. Position the Ring Gaps: Make sure to stagger the gaps between each ring. This reduces the risk of gas leaks during compression. Typically, place the gaps at 120° intervals to evenly distribute them around the piston. Lubricate the Piston: Apply engine assembly lube or oil to the piston and piston rings before installation to ensure smooth movement in the cylinder. Compress the Rings: Use a piston ring compressor to compress the rings tightly against the piston. Install the Piston in the Cylinder: Gently tap the piston into the cylinder using the handle of a hammer or a wooden dowel. Make sure the piston enters the cylinder smoothly without dislodging the rings. Install Connecting Rod and Torque Bolts: Once the piston is in place, connect it to the crankshaft and tighten the bolts to the manufacturer's specified torque settings. Rotate Crankshaft: Slowly rotate the crankshaft to ensure the piston moves freely without resistance. This will help confirm the rings are properly seated. Post-Installation: Make sure to run the engine at a proper break-in period for the piston rings to seat correctly, enhancing engine performance and durability. Proper installation of piston rings is critical to avoid damage to the engine. If you're unfamiliar with the process, it might be helpful to consult a professional mechanic.