Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 1950897 Performer RPM 2-R

Performer RPM 2-R

changing times is easier and faster

Cast aluminum oil pan kits ease the installation of LS series engines into early production vehicles by providing additional clearance between the oil pan and frame crossmember

400" long Hi-Tech 5/16" diameter pushrods handle the requirements of today's all-out race engines

Crossover Compensation and Trip Protection

Hastings "Tough Guy" Racing File-Fit Piston Ring Set - Bore Size: 4.040" Top Ring: 1/16", Second Ring: 1/16", Oil Ring: 3/16" - Oil Ring Tension: Standard 1950897 Performer RPM 2-RHastings 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