Great idle with excellent power. Good mid-range torque and power gains above 4500 RPM. Compatible with stock valve springs, converter and gears, requires cam phaser upgrade and custom tuning.; Great idle with excellent power. Good mid-range torque and power gains above 4500 RPM. Compatible with stock valve springs, converter and gears; requires cam phaser upgrade and custom tuning.
Thumpr NSR 226/246 Hydraulic Roller Cam
