A complete set of copper washers / gaskets for the main fuelling system - adjust quantities for the ones you don't need.
3 x 106977 (fuel pump banjo x2, fuel pump check valve)
36 x 102344 (injector lines x24, primary pressure line x4, cold start valve line x4, control pressure line x2, frequency valve x2)
2 x 102352 (control pressure line x2)
7 x 102360 (frequency valve x1, return hose x2, supply hose x2, fuel filter x2)
Remove 1 x 102360 and 2 x 102344 if you are using a Volvo fuel distributor (because you don't have a frequency valve)
Remove 2 x 102360 if you aren't touching the fuel filter, or are replacing the fuel filter with one that has washers included.