PRW Industries Sportsman Series Roller Rocker Arm - 3/8 in Stud Mount - 1.50 Ratio - Small Block Chevy (Set of 16) 20-GNHD4100K8 durable and virtually maintenance free

durable and virtually maintenance free and environmentally friendly

1999-2020 GMC Sierra 1500

Used in Dodge Viper and many later Chryslers (MS-10725)

very rough idle

PRW Industries Sportsman Series Roller Rocker Arm - 3/8 in Stud Mount - 1.50 Ratio - Small Block Chevy (Set of 16) 20-GNHD4100K8 durable and virtually maintenance freePRW Power continues to push the boundaries of performance with the all new Sportsman Rocker Armsnow featuring a Deflector Shield, Polished Pivot Balls, and nose roller axles: precision machinedfor a tight fit providing smooth motion. This advanced combination of cutting edge technology and meticulous engineering ensures your engine runs smoother, cooler, and with more power than ever before. The Oil Deflector Shield is designed to optimize oil flow,