PAC Racing’s Modern Muscle Valve Springs are comprised of several different valve springs series that provide fitment for GM Gen III/IV LS, GM Gen V LT, Ford Mod Motor, Ford Coyote, Ford Godzilla, Ford GT500, Chrysler Gen III Hemi, and Chrysler SRT-10 Viper applications. While valve springs are grouped by application here, more information can be found on their spring series page or individual product page.
Showing 33–36 of 36 results
Top 0.525 in. / Bottom 0.698 in. ID – Top 0.873 in. / Bottom 1.061 in. OD – 1.600 in. installed Height – 0.625 in. Max Valve Lift
Top 0.525 in. / Bottom 0.698 in. ID – Top 0.873 in. / Bottom 1.061 in. OD – 1.600 in. installed Height – 0.625 in. Max Valve Lift
Top 0.650 in. / Bottom 0.885 in. ID – Top 1.055 in. / Bottom 1.290 in. OD – 1.800 in. installed Height – 0.600 in. Max Valve Lift
Top 0.650 in. / Bottom 0.885 in. ID – Top 1.055 in. / Bottom 1.290 in. OD – 1.800 in. installed Height – 0.600 in. Max Valve Lift
Top 0.650 in. / Bottom 0.885 in. ID – Top 1.072 in. / Bottom 1.307 in. OD – 1.800 in. installed Height – 0.625 in. Max Valve Lift
Top 0.650 in. / Bottom 0.885 in. ID – Top 1.072 in. / Bottom 1.307 in. OD – 1.800 in. installed Height – 0.625 in. Max Valve Lift
Top 0.650 in. / Bottom 0.906 in. ID – Top 1.034 in. / Bottom 1.290 in. OD – 1.800 in. installed Height – 0.625 in. Max Valve Lift
Top 0.650 in. / Bottom 0.906 in. ID – Top 1.034 in. / Bottom 1.290 in. OD – 1.800 in. installed Height – 0.625 in. Max Valve Lift
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