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Isky 9965 Valve Springs Dual Damper Gold Stripes 1.560" OD .680" Max Lift Set/16
In Stock Ready to Ship
ISKYS 1,000 RACING MILE ENDURANCE TEST STANDARD
How Tool Room Springs earn their gold Stripes
Theoretically, its possible for almost anyone to make a good valve spring once. Even with rather loosemanufacturing and quality control standards, they can simply be lucky. They may even do it again some day.But, there is only one way to do it right every time. You must of course begin with the finest valve spring wireobtainable, wind it precisely on modern equipment and employ the special processing techniques necessaryfor maximum load retention. Even this however, is not enough, because valve springs that are routinelymanufactured this way can and do experience failures (Just Ask Our Competition). The only way to beabsolutely certain every batch of endurance racing valve springs is worthy is to test them. Not just any test mindyou. (One company we know of feels that five or ten minutes of prototype testing at RPM is adequate)! Thisis an endurance test? Of course not and those who pretend to be endurance testing while performing suchphantom tests are guilty of deceiving the racing community.
Rather than meaningless tests such as these, a real measure of stamina would be an endurance test of longduration under actual engine/race track operating conditions. Our 1,000 Racing Mile Endurance Test Standardis such a test, the first and only one of its kind in the industry. A test where only the best earn their stripes. GOLdSTRIPES. The Precision 9900 Series Gold Stripe Tool Room Racing Valve Springs by Isky. Theyre theworlds only endurance test-certified racing valve springs, guaranteed One of the Thousand, alumni of thegrueling 1,000 mile Spintron endurance test, where two complete sets are run with a zero failure tolerance. Nobreakage and no excessive load loss are permitted, because its pass or fail for Tool Room Springs - there isno gray area in between. If they dont measure up, we dont sell themperiod! We test every batch of every partnumber we produce. We have to because youre depending on us to deliver the absolute maximum endurancepossible in a racing valve spring. And we do. In a word, Tool Room valve springs are indefatigable! Thats whywe refer to them as The Worlds Finest Racing Valve Springsbecause without any doubt whatsoever, theymost certainly are!
Features:
- Style: Dual With Damper
- Outer OD: 1.560"
- Outer ID: 1.145"
- Inner OD: 1.040"
- Inner ID: .740"
- Seat Pressure: 245 lbs @ 1.950"
- Open Pressure: 585 lbs @ 1.270"
- Rate: 470
- Coil Bind: 1.170"
- Max Lift: .680"
- Type of Cam: Roller
- All orders over $250 are shipped requiring an adult signature.
- We ship using UPS and USPS for most orders. We are unable to guarantee a specific carrier.
- It costs EXTRA FOR HAWAII, ALASKA OR SHIPMENT OUTSIDE OF THE U.S. Please CONTACT US FIRST for the additional shipping charges before buying the part. If you do purchase the item, you are obligated by eBay rules to follow through with the sale.
- If you purchase an item and are outside the U.S., you will need to provide a phone number with your payment. We cannot ship your order without it.
- International buyers please note, choosing U.S.P.S. because it is less expensive does have its drawbacks. Tracking ability is severely limited, and shipping times can sometimes be much longer. We are not responsible for the actions of any shipper.
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