Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 3.810" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard H762003XL Fittings must be purchased separately

Fittings must be purchased separately *** While there is no specific size to use with a particular swap

the X1 Carbureted bypass regulator and fittings

1/4 in Increments

1-Piece Timing Cover

open spacer

Hastings "Tough Guy" Racing Standard Piston Ring Set - Bore Size: 3.810" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard H762003XL Fittings must be purchased separatelyHastings 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