Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.060" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard EZTS102BKP Provides side force while protecting

Provides side force while protecting body panels

GM Midsize Truck 2015-21 / GM Fullsize Truck 2019-21

*EAS Starter Kits are only available to work with the CS and CTS product lines

11 in Rectangular Port

3-3/8 in Diameter

Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.060" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard EZTS102BKP Provides side force while protectingHastings 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