PAC Racing’s Class Specific 1400 Series Valve Springs are built for Stock Eliminator applications. These springs feature our signature PACaloy super clean wire that is heat-treated in-house for precise spring rates and increased strength. They undergo a multi-peen process to optimize service life. Additionally, they are then polished and a Nano-Peen™ proprietary surface treatment is applied to further optimize servicelife.
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Top 0.650 in. / Bottom 1.000 in. ID – Top 1.104 in. / Bottom 1.454 in. OD – 1.850 in. installed Height – 0.625 in. Max Valve Lift
Top 0.650 in. / Bottom 1.000 in. ID – Top 1.104 in. / Bottom 1.454 in. OD – 1.850 in. installed Height – 0.625 in. Max Valve Lift
Top 0.650 in. / Bottom 0.845 in. ID – Top 1.055 in. / Bottom 1.250 in. OD – 1.800 in. installed Height – 0.550 in. Max Valve Lift
Top 0.650 in. / Bottom 0.845 in. ID – Top 1.055 in. / Bottom 1.250 in. OD – 1.800 in. installed Height – 0.550 in. Max Valve Lift
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