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Kibblewhite valve springs are designed using sophisticated, proprietary design and simulation software. That, as well as 70+ years of experience helps to determine critical characteristics, including stress, natural frequency, system harmonics, and fatigue life. Kibblewhite valve springs are made out of super-clean chrome-silicone valve spring wire and go through a heat treatment, stress-relief, and shot-peening process to allow Kibblewhite to bring you the best valve springs on the market in multiple styles, such as standard, high-lift, and beehive.
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$36.50
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$144.69
BBR Motorsports high performance valve springs are designed to prevent valve float and ensure consistent valve control when using a BBR high-performance camshaft, which increases engine RPM and power by using more aggressive valve lift and duration profiles. These stronger, heavy-duty springs provide the necessary force to keep valve train stable at higher engine speeds, protecting the engine from severe damage by maintaining control over the valve opening and closing. Key features: * Constructed from high-quality chrome-silicon wire for enhanced durability and strength * Specifically designed to be used with BBR's high-performance camshafts for the Honda® CRF150F/230F * Ensures that the valve remains properly seated, preventing damage to the valve, retainer, and even the piston * Fully shot-peened and preset for long part service life
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$67.95
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