Seat Sizes (LxW):Approx

1x Valve Stem Seals Kit

For Polaris 700 XC SP Carb L/C F/O 2002

and can also close one of them as a 2 way valve

4PCS Ford Transit MK3 MK6 MK7 2.0 2.2 2.4 TDCI TDDI Injector Seals Frame Slider FS Seat Sizes (LxW):ApproxBear in mind that there should be no pressure under Your rocker valve cover after You change copper washers. If You get a leak from black seals, Only changing for new ones may not solve Your problem. If there is pressure and black seals are failing You need to change copper washers as well as You're getting an air leak from injector nest and this is why black seals are failing. When changing copper washers make sure it's done professionally and