VG-15K Hi-Rev Kit for Briggs Vanguard V-Twin will raise the rpm limit of your stock engine.Â
The hi-rev kit will stiffer the stock springs by using shims to change the install height, which helps prevent the valves from floating. We also added a timing advance key to increase power at the raised RPMs. To add more durability, we send two steel pushrods to replace the aluminum one in your engine.Â
Use with a stock cam only.
Target RPM 5,000








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