Harland Sharp D-Force Roller Rocker Arms are manufactured in-house out of 2024
Billet Aluminum to ensure maximum strength and durability for your Duramax valvetrain. The D-Force roller rocker arms also
feature a roller tip for superior friction reduction and increased
use in racing applications, and with no required modifications, the
D-Force roller rocker arms from Harland Sharp truly are the simplest way
of maximizing your diesel engines valvetrain performance!
XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:
UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.