1-3/16" (30Mm) Black Universal Reinforced Silicone Coolant Cap With Clamp For NOTE: If for any reason at All, You'Re not 100% satisfied with the Silicone Cap, Simply return it for a full refund in 30 days. The Bekelan Performance 1-3/16" (30mm) high temperature reinforced Black silicone cap is designed specifically to be installed on your cooling system. The vacuum cap is reinforced by Clamps made of SUS 304?High Temperature And Pressure Resistance,sturdy and durable, no rust ! While traditional rubber coolant cap might crack and cause coolant leak, Bekelan Performance high temperature 3-ply polyester reinforced silicone caps will withstand the high temperatures and pressures of your cooling system for years to come. Bekelan Reinforced Silicone Caps are compatible for use with coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, and much more. Technical Specification: Product Type: Reinforced Silicone Coolant Cap Bekelan Part Number: BEK-GJM30Black Temperature Range:- 65 deg. F to + 350 deg. F (177 deg. C) Reinforced Layer: 3-ply Polyester Inside Diameter: 1-3/16" (30mm) Color: Black Wall Thickness: 4mm Inside Length: 1-3/16" Overall Length: 1-3/4" UV and ozone resistant Remark: Bekelan reinforced silicone caps are not compatible with fuel, oil, or any petroleum-based products. Product Features Made of High Temperature 3-Ply Polyester Reinforced Silicone. Maximum Temperature Rating: 350 Deg. F (177 Deg. C). Ideal for Heavy Duty Pressure Connections And Provides Excellent Resistance for High Temperature Applications.The matching clips are made of 304 stainless steel, sturdy and durable, no rust ! Universal Silicone Caps Compatible for Use With Coolant, Water, Air, Turbocharger Bypass Valve Ports, Vacuum Ports, Throttle Body Water Ports, Heater Cores, And Much More. This Size Has an 30mm (1-3/16") ID, 38mm (1-1/2") OD And Measures 45mm (1-3/4") Long Overall With a 30mm Depth. Bekelan Reinforced Silicone Caps Are Not Compatible With Fuel, Oil, or Any Petroleum-Based Products. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!