FEULING? BEEHIVE? valve springs use a much smaller and lighter weight retainer which drastically reduces the valve weight creating a much quicker revving and smoother motion than comparable dual...
Made from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano Peen™ polishFeature extremely high level of fatigue lifeUse a much...
Made from premium stress-relieved conical ovate wireFeature extremely high-level of fatigue lifeUse a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and...