SPECIFICATIONS: Condition: 100% Aftermarket Brand New Quantity: 1 piece Color: Black Number of plugs: 3 Number of pins: 18 FEATURES:1. With increased spark energy you will experience easier starting and better throttle response.2. Removes the speed limiter and increases max revs by 1000 to 7800 RPM. It also will eliminate the reverse rev limiter.3. Compatible with both standard gauges and Rhino digital dash.4. Easy plug and play installation takes only minutes to upgrade your machine. Fitment:FOR YAMAHA ATV YFM660 2002-2003 FOR Yamaha Grizzly 660cc (2004-Up)FOR Yamaha YFM 660 R Raptor — 2002-2003