Top End

Set up the valve springs correctly to match the open height spec to peak camshaft lift for optimum valvetrain stability and performanceQuality machined spring seat shimsSold as a 2-pack; includes one each .015" and .030" thickness shimShims measure OD 1...

Set up the valve springs correctly to match the open height spec to peak camshaft lift for optimum valvetrain stability and performanceQuality machined spring seat shimsSold as a 2-pack; includes one each .015" and .030" thickness shimShims measure OD 1...

Offset locks raise retainer to gain .050" installed heightTitanium locks are offset 10 degreesMade in the U.S.A.

Offset locks raise retainer to gain .050" installed heightTitanium locks are offset 10 degreesMade in the U.S.A. Buell -- M2 Cyclone -- (2001, 2000, 2002, 1999, 1997, 1998); Buell -- S1 Lightning -- (1998, 1996, 1997); Buell -- S3 Thunderbolt -- (1997,...

Machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treat and super NexTex® finish to give these valve springs the needed fatigue life to exceed the high demands of V-Twin...

Offset locks raise retainer to gain .050" installed heightTitanium locks are offset 10 degreesMade in the U.S.A.

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 smaller and lighter weight retainer to reduce valve...

Made in the U.S.A.

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 smaller and lighter weight retainer to reduce valve...

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 smoother motionDesigned to handle the demands of performance...

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 smoother motionDesigned to handle the demands of performance...

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 smoother motionDesigned to handle the demands of performance...