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mon-thurs 9-5 cst
They will also fit the Briggs Model 35 and Model 38 Vanguard V-Twin if using the stock split lock retainer valves, they will not work on valves that use the slip-on retainers.
Our Billet Retainers are lightweight to stabilize the valve train allowing the engine to turn more RPMs. 1 gram on the valve side is worth about 40rpms. The billet retainers are also hard anodized in our factory red for durability and a great look.