Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.185" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard EZTS101BK Number 60087 is sized for

Number 60087 is sized for 2

dual 1 core for maximum cooling and extended durability

Smooth Internal Passages for Superior Oil Flow

Sensor size is 3/4" x 3/4"

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.185" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard EZTS101BK Number 60087 is sized forHastings racing piston rings deliver race winning performance in even the most extreme applications. The low tension, low friction design provides unsurpassed combustion seating and exceptional sealing. Each set includes plasma moly, high tensile cast iron top rings; reverse twist, taper faced cast iron second rings, and choice of standard or low tension Flex Vent stainless steel oil control rings. Low tension oil rings make significant increases in