Big Gun 40-R05C - 04-05 Yamaha Raptor 660 Rev Box margin_15 Tapered design gives a smooth

Tapered design gives a smooth transition from bracket to tube

Use of this Kit may require an optional tuner which has access to adjusting Gear Ratio and Tire size

With unrivaled ease of use and security features built into the coupler

Bell Helmets 2010154 - Bell 276 SRV Helmet Shield Amber

Valve closed for sophistication

Big Gun 40-R05C - 04-05 Yamaha Raptor 660 Rev Box margin_15 Tapered design gives a smoothBig Gun 40 R05C 04 05 Yamaha Raptor 660 Rev Box If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.