JE Pistons Pro Seal Premium Race Series Plasma-Moly Piston Ring Set - Standard Tension - 4.030" Bore Size, 1/16" Top Ring, 1/16" 2nd Ring, 3/16" Oil Ring Metric Quick-Connect Fittings 1987-1988 GMC R2500

1987-1988 GMC R2500

New Style Seal

H-pipe Crossover for Maximum Power

Enduro Centerline

JE Pistons Pro Seal Premium Race Series Plasma-Moly Piston Ring Set - Standard Tension - 4.030" Bore Size, 1/16" Top Ring, 1/16" 2nd Ring, 3/16" Oil Ring Metric Quick-Connect Fittings 1987-1988 GMC R2500JE Pistons has been the industry leader in the design, development and manufacturing of forged racing pistons for 60 years. The benefit of that experience, along with the technology and data gathered over the course of those years, has enabled JE to create a product line to compliment our world class piston designs; JE Pro Seal Pistons Rings. Top teams in NASCAR, ALMS, NHRA, and AMA demand JE Pro Seal Rings for their engines. JE Pro Seal Rings are