Graves motorsports top velocity stacks r1 2009-2014 ABY-09R1-REVT Track Jacket — Suzuki Welded from mild steel then

Welded from mild steel then bathed in a four-step chrome-plating process

Stock Full System Weight = 18

Scratch-off Activation Card to authorize the auto-blipper to be used with your tuning license

Max HP: 250

Suggested tuning options are Flash Tune (FTEcu) kits found in separate listing (see below for kit options in the suggested items section)

Graves motorsports top velocity stacks r1 2009-2014 ABY-09R1-REVT Track Jacket — Suzuki Welded from mild steel thenGraves Motorsports Yamaha R1 Top Velocity Stacks 09 14 Graves Motorsports Yamaha R1 Top Velocity Stacks for the 2009 2014 models. This "Upper" or "Top" velocity stack is sold seperately from the lower billet machined piece shown in picture ( Lower Part # ABY 09R1 REVB). See below for full details and restrictions on these parts when used with stock pieces. The upper stacks must be used with a YEC ECU or Flash Tune and correct setting will be supplied