PAC Racing’s Motorcycle Valve Springs are available in both single and dual configurations with SKUs dedicated to popular Yamaha applications.
These springs are constructed of our signature PACaloy super clean wire and heat-treated in-house for precision spring rates and improved strength.
Showing all 4 results
0.560 in. ID – 0.756 in. OD – 1.060 in. installed Height – 0.380 in. Max Valve Lift
0.560 in. ID – 0.756 in. OD – 1.060 in. installed Height – 0.380 in. Max Valve Lift
0.600 in. ID – 0.856 in. OD – 1.370 in. installed Height – 0.378 in. Max Valve Lift
0.600 in. ID – 0.856 in. OD – 1.370 in. installed Height – 0.378 in. Max Valve Lift
0.515 in. ID – 1.055 in. OD – 1.250 in. installed Height – 0.400 in. Max Valve Lift
0.515 in. ID – 1.055 in. OD – 1.250 in. installed Height – 0.400 in. Max Valve Lift
0.570 in. ID – 0.840 in. OD – 1.300 in. installed Height – 0.350 in. Max Valve Lift
0.570 in. ID – 0.840 in. OD – 1.300 in. installed Height – 0.350 in. Max Valve Lift
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