JG31 Piston Ring Set - Standard Tension JJG31F8-4155-3 Product:4.155" Bore, 1.2mm Top Ring, 1.5mm Second Ring, 3.0mm Oil Ring Especially when the engine does

Especially when the engine does not supply sufficient vacuum under certain operating conditions

spherical bearings

Date is on bottom of sleeve if you need to check

We make Valve Springs to cover all applications

JG31 Piston Ring Set - Standard Tension JJG31F8-4155-3 Product:4.155" Bore, 1.2mm Top Ring, 1.5mm Second Ring, 3.0mm Oil Ring Especially when the engine doesJG31 Piston Ring Set Standard Tension4. 155" Bore, 1. 2mm Top Ring, 1. 5mm Second Ring, 3. 0mm Oil Ring JJG31F8 4155 3 G31F8 4155 3 Specifications Cylinders: 8 Bore: 4. 155" Alternate Bore: 105. 5mm Top Ring Height: 1. 2mm Top Ring Description (Material, Coating, Shape): Carbon Steel, Nitride, Barrel Face, Back Cut, Torsional Second Ring Height: 1. 5mm Second Ring Description (Material, Coating, Shape): Iron, Phosphate, Napier, Back Cut, Neutral Oil