SPECS - Stroke: 2-1/4" // Air Port Threads: 3/8-18 NPTF // Spring Brake Chamber: Type 24 // Service Brake Chamber: Type 16.
FEATURES - Includes spring cage bolt // Spring chamber permanently sealed for safety
WARRANTY - 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.