Competition Cams Pro-Pac valve springs are designed for use in harsh, high-lift environments of .750 and above roller camshaft applications. They have the highest level of fatigue resistance available which is the key to extended life and durability. Pro Pac valve springs are produced with the latest processing and manufacturing techniques. Pro Pac springs are crafted from the ultimate in high tech super clean chrome silicon alloy material. The are held to tighter stress relief and shot peen tolerances than any spring on the market.
Part number: 26509-16 Description: Dual Spring w/damper OD: 1.539 ID: .731 Seat Pressure: 197 @ 2.000 Open Pressure: 568 @ 1.250 Coil Bind:1.135 Rates Per Inch: 494
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