Description
JE Pistons Pro Seal Premium Race Series Plasma Moly Piston Ring Set Standard Tension 4.030" Bore Size, 1 16" Top Ring, 1 16" 2nd Ring, 3 16" Oil Ring Radiators 5 mm Center Thread WEI7155 5 mm Center Thread 1 2" NPT Inlet 1 2" NPT Outlet Aluminum Polished 15724 Lightweight 030 in Bore The top engine builders in NASCAR