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PAC
PAC Valve Springs (GT500)
PAC Valve Springs (GT500)
Regular price
$299.59 USD
Regular price
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$299.59 USD
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PAC Valve Springs 120 PSI rated. 4.6L / 5.4L 2V Lightning / Harley Set of 16
Valve Spring, RPM Series, Top 0.636 in. / Bottom 0.720 in. ID – Top 0.999 in. / Bottom 1.083 in. OD – 1.715 in. installed Height – 0.550 in. Max Valve Lift, 120lb Spring Rate
These PAC valve springs are designed using state of the art equipment for the purpose of the best racing engines. Manufactured from high tensile chrome silicon steel and shot peened to MIL specs for the highest fatigue life. PAC heat treats to minimizes load loss. These springs are designed to allow engines to rev higher faster because of the springs are smaller diameter an lightweight. They have an extended tip thickness design to eliminate overload damage, the open end flatness reduces valve stem side loading.
1230X-16
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