Victorian Performance Wholesale began as a small speed shop called Epping Street Performance. Today VPW is one of Australia’s largest suppliers of aftermarket automotive and motorcycle products. Composed of a purpose built warehouse, boasting modern facilities to accommodate race fuel storage, one of Australia’s largest performance showrooms, and all of our administrative and sales staff. Forks & Triple Trees. Forward Controls & Pegs. Lighting & License Mount. Oil System & Oils. Fuel & Air System. Oils, Lubricants & Additives. Racing Seats & Mounts. COMP Cams Valve Spring Seat Cutter, 1.320 in. Larger Springs, Hardened Seats, GM Vortec Head, Each. COMP Cams valve spring seat-cutting tools allow you to machine the cylinder head for the correct diameter valve spring. This will allow you to install larger springs and hardened spring seats.