Made in USA
LS1 OVATE BEEHIVE VALVE SPRING SINGLE
Product Discontinued
LUNATIPART NUMBER: 638-74818-1

LS1 OVATE BEEHIVE VALVE SPRING SINGLE

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LS1 OVATE BEEHIVE VALVE SPRING SINGLE

LUNATI/HOLLEY 74818-1 Features:

In any spring, the inner diameter experiences significantly more stress than the outside. The ovate multi-arch wire design of these revolutionary valve springs places more material on the inner diameter of the spring, which more evenly distributes stress throughout the wire cross-section and increases the overall life of the spring. Other features of the Signature Series Ovate Beehive Valve Springs include reduced mass in the retainer end of the spring, which increases RPM potential, and reduced coil surging for more valve control and longevity. Lastly, a thinner cross-section wire gives more coil bind clearance to allow for camshafts with higher lift or higher ratio rocker arms. The Signature Series Ovate Beehive Valve Springs are the ultimate in cutting-edge valvetrain performance.
    Part TypeValve Spring
    BrandLUNATI
    Package Height3.0
    Package Width3.0
    Package Length24.5
    Weight0.2 PG
    Part CategoryPerformance Parts
    CoatedNo
    Outside Diameter Of Outer Spring1.29 in (32.8 mm)
    Coil Bind Height1.14 in (28.956 mm)
    Damper Spring IncludedNo
    Spring Rate313 lbs./in.
    QuantitySold individually
    Part FitmentSemi Universal
    Inside Diameter Of Inner Spring0.65 in (16.51 mm)
    Valve Spring StyleBeehive
    Number Of Springs Per ValveSingle
    Vendor Part Number74818-1LUN
    Package Qty1
    Package TypeEA
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