Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low AA0700AF1T61 More reliable connectionBD Diesel Performance

More reliable connectionBD Diesel Performance is unique among its peers in that it designs

Much lighter

Dress up your 5" pedestal tachometer with this real carbon fiber cover for the case assembly

Made of Energy's Hyper-Flex(TM) performance polyurethane and heavy duty hardware - for added durability

OBD-II / EOBD Dongle

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Low AA0700AF1T61 More reliable connectionBD Diesel PerformanceHastings 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