The BC valve spring compressor and installation tool for the Polaris RZR, Can-Am X3 and Yamaha YXZ allows quick and easy assembly of a complete SxS cylinder head in minitues. Even works while the head is installed on the engine in the car using compressed air through the spark plug hole. Install valve springs, retainers, valves and keepers fast and efficiently. Includes the following:

• Base housing that threads into spark plug hole.
• Pivoting arm to install 4 valves per hole.   
• 3 spring/retainer housings for each engine make.
• Magnet and tweezers for those tiny keepers.
• M10 x 1.0 thread and pitch spark plug. 

We’ve made it simple to gain rpm, improve valve control and run bigger lift cams, while saving you a bunch of time and money. Fits all Polaris XPTurbo, ProXP, XP1000, Turbo-R, XP900, Rotax 900 Can-Am, Ryker, SkiDoo, SeaDoo, Yamaha YXZ, 998 sleds and WaveRunners applications.