Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3.0mm - Oil Ring Tension: Standard Fire Suppression System Nozzle Pre-Curved fingers w/ external stitching

Pre-Curved fingers w/ external stitching

Single Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application

This pivot kit works with Bell 287 SRV Helmet Shields only

575"(5085) /

Body Mounting Tabs

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.030" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3.0mm - Oil Ring Tension: Standard Fire Suppression System Nozzle Pre-Curved fingers w/ external stitchingHastings 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