Replaces OEM Bladder Cap, increases volume, insures sealing, and improves serviceability. Race Tech recently introduced a replacement Hi-Volume Bladder Cap for KYB Shocks with 52mm Reservoirs. SMRC K52001 is anodized billet Aluminum and comes with a recessed (protected) Schrader Valve. This Cap provides more nitrogen volume and is easy to service. Check out the entire line of Hi-Volume Reservoir Caps at www.racetech.com.The SMRC K52001 retails for $49.99 and is available by contacting Race Tech Sales at 951-279-6655 or sales@racetech.com.