Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 711001 Duration 224 / 228

Duration 224 / 228

262ci-350ci

Four-Link Rear

with high performance engines requiring a 5W-20 viscosity

GM A-Body 1968-77

Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 711001 Duration 224 / 228Hastings 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