What is the difference between FPD-R and FPD-XR

rocker shafts

They are designed to replace BMW part #11241406978 and #11241405890 for the BMW S62 engines with a 141

11121307529

These CNC-machined shafts boast specialized oil holes and an oil connector bridge

Garrett GTX3076R GEN II Turbocharger Exhaust Housing:VBand - 1.01 A/R What is the difference betweenGarrett GTX3076R GEN II Turbocharger Horsepower: 400 750 HPDisplacement: 1. 8L 3. 0LMax Speed: 145,000 RPM Key Features: Enhanced GEN II Aerodynamics Up to 20% more horsepower than GEN I 58mm Compressor Wheel Optimized for maximum efficiency Fully Machined Components Inlet, outlet, and ported shroud for precision High Flow Compressor Housing Designed for increased airflow Dual Ceramic Ball Bearings Improved response and reliability Speed Sensor Port