Howards Valve Spring Set 98643 Pro-Alloy Mechanical Roller Dual, 230lbs @ 1.88
Engine Valve Spring Set Model or Series: Pro-Alloy Mechanical Roller Number Of Coils: Dual Spring Damper Spring: No Overall Diameter: 1.550″ Inside Diameter: 0.815″ Spring Height: 1.880″ Seat Pressure: 230 lbs at 1.880″ Open Pressure: 550 lbs at 1.250″ Coil Bind: 1.080″ Spring Rate lbs. Takes for a longer spring life, even in rough racing environment. Howards Cams Pro-Alloy material is specially developed low stress, high endurance material. Howards Cams research and development staff spent many years of development, experience and testing to create a spring you can count on. Low fatigue rate compared to most roller springs on the market. Cycle tested to 12 million cycles with no breakage. Each spring is coiled using the most advance CNC winders in the industry. Each spring is then parallel ground, stress relieved and deburred. They are then shot-peened and heat-treated to our own very specific standards. These high standards are what ittakes for a longer spring life, even in rough racing environment. PerformanceParts is an authorized reseller of Howards. All items will be declared as actual value, we do not mark as gift or at a reduced value. Some items cannot be combined due to size or weight. Items must be in the original packaging. For your protection, we recommend insuring the package for the full value. Please provide pictures if possible (for both the item and the packaging). If you have any questions or concerns regarding the item, please contact our customer service department. To return an item, please follow the steps below. Wait for an RGA number to be issued. This process may take up to 5 days. All instances of fraud are referred to IC3, as well as state and local authorities, and will be prosecuted. Monday – Friday 8AM to 6PM Central Standard Time.
Comments are closed.