Following the release of the much anticipated Mopar Drag Pak Challenger two years ago, the number of these 5.7-liter and 6.1-liter HEMI powered factory race cars have gone through the roof, and with them too has come participation by the racing aftermarket to replace anything and everything that the NHRA and IHRA rulebook allows.

Here at IMIS, Harland Sharp brought out their brand new D-Force roller rocker arms for the new age HEMI race engines used in Stock and Super Stock competition, along with some categories in the NMCA. These D-Force roller rockers are constructed of billet aluminum and feature a 5/8″ diameter shaft, a needle bearing fulcrum, and are the only roller rockers with copper tipped pins. They are available in both an adjustable and non-adjustable form, and save you extra expense, as they fit underneath the stock valve covers.

• Only roller rocker to sport copper tipped pins
• Compatible with 5.7L and 6.1L Chrysler HEMI race engines
• Billet aluminum construction
• Legal for NHRA and IHRA Stock and Super Stock competition