xtreem duty valve springs are made from Vanadium-Elector Ultra Clean material, this valve spring line represents some of the best springs on the market when used under race conditions because of their long life expectancy. Each set is batch tested for consistency and matched to tolerances of +/-10% of the stated spring rate. Our choice of Chromium Silicon III and xtreem Alloy gives engine builders reliable dampening and precision valve control lap after lap or pass after pass. These xtreem alloy springs are simply the best. Each sprig is precision wound, ground for tolerance, and stress relieved to ensure longevity in extreme engine conditions.
MADE IN THE USA!
Recommended Application
Ultraloy material makes this a great design for small block Chevy engines with radical hydraulic or ild solid profile camshafts. Also great for hydraulic roller and Buick stockers
Number of Springs Per Valve: Single
Outside Diameter of Outer Spring (in): 1.260 in.
Coil Bind Height (in): 1.115 in.
Damper Spring Included: Yes
Seat Pressure Install Height: 125lbs@1.750
110lbs@1.800
Spring Rate (lbs/in): 325lbs /.550"
Inside Diameter of Inner Spring (in): .876 in.
Valve Spring Style: Standard
Quantity: Sold as a set of 16.