Valvetrain

XDP HD Billet Rocker Arm Valve Bridge Set 2001 to 2023 6.6L LB7/LLY/LBZ/LMM/LML Duramax

Shop with Blessed Performance for the XDP HD Billet Rocker Arm Valve Bridge Set for your 2001-2023 GM 6.6L LB7/LLY/LBZ/LMM/LML Duramax diesel. The OE rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your Duramax...

XDP Performance Valve Springs & Retainer Set 2001 to 2016 6.6L LB7/LLY/LBZ/LMM/LML Duramax

Shop with Blessed Performance for the XDP Performance Valve Springs & Retainer Kit for your 2001-2016 GM 6.6L LB7/LLY/LBZ/LMM/LML Duramax diesel.  Camshaft upgrades and other modifications that increase boost require more valve control...

XDP ROCKER ARM SHAFTS 2001-2019 GM 6.6L DURAMAX

Shop Blessed Performance for the XDP Rocker Arm Shafts for your 2001-2019 GM 6.6L LB7/LLY/LBZ/LMM/LML/L5P Duramax diesel. The XDP Shafts feature revised oil grooves that align with the oil hole in the bushing so you maintain a consistent oil supply...

XDP Street Performance Pushrods (3/8") 2001 to 2016 LB7/LLY/LBZ/LMM/LML Duramax

Shop Blessed Performance for the XDP 3/8" Street Performance Pushrods for your 2001-2016 GM 6.6L LB7/LLY/LBZ/LMM/LML Duramax diesel. The factory pushrods in your Duramax engine can hardly handle stock output levels. The increased cylinder pressure,...