GSXR750 85-87 SPS Advancer - 4 degree Ignition Advancer APE Titanium Valve Retainer Sets These stage 1 kits are

These stage 1 kits are suitable for tuning street-legal aftermarket exhaust systems with dB absorber and aftermarket air filter elements

The replacement K&N Filters can be fitted without upsetting standard carburettor or injection settings

good original steering damper from a 1995 GSXR750ws

The APE tensioner often takes up more slack than a standard tensioner

GSXR750 85-87 SPS Advancer - 4 degree Ignition Advancer APE Titanium Valve Retainer Sets These stage 1 kits areNew UK Produced 4 degree ignition advancer. CNC machined for 100% accuracy. Simple installation, no other mods needed. Increases midrange throttle response and torque. We have sold 1000's of these advancers over the years. A great affordable mod!