Engine Parts

Graves Motorsports Aprilia RSV4 / Tuono Smog Block Off Plates

Graves Motorsports Smog Block Off Plates for Aprilia RSV4 + Tuono models. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). Sold as 2 plates shown...

Yamaha R1 WORKS Clutch Spring Kit

  Yamaha R1 WORKS Kit Clutch Springs for the 07-14 R1. Kit Springs provide improved feel and a stronger spring rate for better engagement. FITMENT: Yamaha R1 2007-2014

Graves Motorsports R1 Clutch Kit

  Graves Motorsports WORKS R1 Clutch Kit is designed to get rid of the clutches grabbing or "lurching" tendencies on the 09-14 Yamaha R1. Kit includes 1 clutch fiber, 2 judder springs (Note: Graves WORKS Race clutch springs recommended and sold...

Honda CBR1000RR-R Fireblade SP Smog Block Off Plates

Graves Motorsports Smog Block Off Plates for Honda CBR1000RR-R Fireblade SP. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). Sold as set shown...

Graves Motorsports Aprilia 660 Smog Block Off Plate

Graves Motorsports Smog Block Off Plate for Aprilia RS 660 2019 +, Tuono 660 2019 + and Tuareg 660 2019 +. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps...

Kawasaki ZX-4RR WORKS Clutch Spring Kit

  Kawasaki ZX-4RR WORKS Kit Clutch Springs for the 2023 + models. Kit Springs provide improved feel and a stronger spring rate for better clutch engagement. FITMENT: Kawasaki Kawasaki ZX-4RR +

Ninja 400 WORKS Clutch Spring Kit

  Kawasaki Ninja 400 WORKS Kit Clutch Springs for the 2018-2023 models. Kit Springs provide improved feel and a stronger spring rate for better clutch engagement. FITMENT: Kawasaki Ninja 400 2018 +

Graves Motorsports Suzuki Hayabusa Smog Block Off Plates

Graves Motorsports Smog Block Off Plates for Suzuki Hayabusa Sport Bike. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). Sold as set shown...

Kawasaki Ninja ZX4-RR / ZX6-R / ZX-10R Smog Block Off Plates

  Graves Motorsports Smog Block Off Plate for Kawasaki ZX-4RR 2023 / Ninja ZX-6R / 2013-2024 / + ZX-10R / 2016-2023 / . The Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover...

Graves Motorsports Kawasaki ZX Smog Block Off Plates

  Graves Motorsports Smog Block Off Plates for the Kawasaki model Sport Bikes listed below. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS)...

Graves Motorsports Smog Block Off Plates for Honda CBR model Sport Bikes

  Graves Motorsports Smog Block Off Plates for Honda CBR model Sport Bikes. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). Sold in pairs ( as...

Graves Motorsports Smog Block Off Plates BMW S1000rr

  Graves Motorsports Smog Block Off Plates for BMW S1000rr model Sport Bikes. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). Sold in pairs (...