9 51487 Tank to Bowl Gasket & Bolt Kit - includes gasket (1), washers (3), 5/16" bolts (3) and nuts (3) $14.53 10 50752 Friction Ring $1.76 11 50751 Lock Nut $5.12 12 30419 Tank to Bowl Bolt Kit ONLY - includes washers (3), 5/16" bolts (3) and nuts (3) $12.31 ...