BMP Offset Timing Keys are offset to advance timing by slightly rotating the flywheel in various degrees. Advance your timing for more horsepower, typically its 1-2hp per degree on average. Premium gas required in most cases. 4-5 degree typically require race fuel. Easy bolt on performance!
Small Keys: Fits Carburated F6, F7, ZR800, ZR900, 440, 500, 600, 700 ZR's, ZRT 800, 900,1000 triples
Large Keys: Ski-Doo, Polaris, & EFI Arctic Cat Models