XDP BILLET ROCKER ARM VALVE BRIDGE SET FOR 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML bumpers and a bold single side

and a bold single side exit design with a 5" polished tip

0" of additional lift when replacing your factory block with ReadyLIFT 66-2053

Kit also includes front/rear shock extensions

Black coated Tip 4 Inch OD Dual Wall Angled 3 Inch Inlet 8 Inch Length Tip

and tire clearance—allowing your truck to easily run 35" tires

XDP BILLET ROCKER ARM VALVE BRIDGE SET FOR 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML bumpers and a bold single sideThe XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001 2016 GM 6. 6L Duramax. The OE rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your Duramax engine can quickly produce more stress and load than the factory rocker arm bridges were made to handle. The XDP rocker arm bridges are CNC machined out of hardened 4140 chromoly for extreme strength. Each