KB Domed Piston Kit .030 10.5:1 For 84-99 Harley Evolution 80″ 1340 62288
KB Performance Pistons. KB Keith Black: KB266.030.3. Fits Big Twin Evolution 80ci – 1340cc – 3.498″. For: 84-99 Harley Evolution 1340 80″ 3.498″. Piston expansion is reduced by as much as 20% over conventional pistons.