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  Home > Street/Racing Parts > ER & Graves Throttle Slide Stops / Velocity Stacks

ER & GRAVES THROTTLE SLIDE STOPS / VELOCITY STACKS

Graves Motorsports develops & produces factory-quality race parts for privateer racers & everyday street riders. With a long-time partnership with Team Yamaha in the AMA, Graves Motorsports is the premiere brand name when it comes to Yamaha aftermarket performance parts.



ER Racing supplies World Superbike teams with race-proven components such as Velocity Stacks, Slipper Clutches, Ignition Advancers, Quarter Turn Quick Throttles, Rear Sets, Clip-Ons, and much more. ER Racing's trailer also provides on-track tuning services for riders all over Italian racing circuits.

Parts Available Part # Price
Graves Motorsports Throttle Slide Stops - Yamaha YZF R1 2002-2003
  • Designed to hold the throttle slides in the fully open position
  • Increased throttle response and increased acceleration out of corners
  • OGRAB005-001 $74.99
    Graves Motorsports Throttle Slide Stops - Yamaha YZF R6 2003-2004
  • Designed to hold the throttle slides in the fully open position
  • Increased throttle response and increased acceleration out of corners
  • OPGRAB006-001 $74.99
    Graves Motorsports Throttle Slide Stops - Yamaha YZF R6 2005
  • Designed to hold the throttle slides in the fully open position
  • Increased throttle response and increased acceleration out of corners
  • OPGRAB010-002 $74.99
    Graves Motorsports Throttle Slide Stops - Yamaha YZF R6S 2006-2008
  • Designed to hold the throttle slides in the fully open position
  • Increased throttle response and increased acceleration out of corners
  • OGRAB10-001 $74.99
    Graves Motorsports Velocity Stacks - Yamaha FZ1 Fazer 2006-2008
  • 4 Injection molded plastic intake stacks
  • Mounts with no modification
  • Power gains of 4hp midrange, 2hp at top end.
  • OGRAB012-001 $149.99
    Graves Motorsports Velocity Stacks - Yamaha YZF R1 2002-2003
  • Two rubber intake stacks replace #2 & #3 cylinder stacks.
  • Mounts without modification
  • 6hp increase in mid range and 2hp at top end
  • OGRAB003-001 $99.99
    Graves Motorsports Velocity Stacks - Yamaha YZF R1 2004-2006
  • 4 Injection molded plastic intake stacks
  • No modifications required to fit these
  • 4hp increase in mid range and 2hp increase at top end.
  • OGRAB012-002 $149.99
    Graves Motorsports Velocity Stacks - Yamaha YZF R6 2003-2004
  • 4 Billet aluminum intake stacks
  • Mounts directly into airbox without any modification
  • OGRAB009-001 $99.99
    ER Racing Velocity Stacks - Honda CBR600RR 07-08
  • 4 piece design
  • +6 hp in the mid-range
  • +2 hp on the top end
  • Used extensively in World Supersport Championship
  • OPER80320 $610.95
    ER Racing Velocity Stacks - Honda CBR600RR 03-06
  • 4 piece design
  • OPER80138 $516.95
    ER Racing Velocity Stacks - Yamaha R1 04-06
  • 8 piece design
  • OPER80222 $702.95
    ER Racing Velocity Stacks - Yamaha R6 06-07
  • 8 piece design
  • +6 hp in the mid-range
  • +2 hp on the top end
  • Used extensively in World Supersport Championship
  • OPER80270 $619.95
    ER Racing Velocity Stacks - Yamaha R6 03-05
  • 4 piece design
  • OPER80139 $516.95
    ER Racing Velocity Stacks - Yamaha R6 99-02
  • 4 piece design
  • OPER80117 $516.95
     
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