DJ-2102-HA 212 Predator Hemi Alum Roller Rocker Set 1.2

Aluminum Full Roller rockers for the Hemi head, manufactured by NR Racing.

Rockers are crafted of aircraft grade billet aluminum and feature replaceable steel roller tips. New steel shafts and roller bearings included

Dyno tested to 10,000 rpm and proven to make more horsepower.

May require valve cover spacer or minor grinding on valve cover grinder for clearance.

Due to canted valve arrangement, Hemi's may have valve to piston clearance issue with high lift cam, esp with 1.3 Ratio.

These Rocker Arms require shorter Push rods, typically 5.260 or 5.340 depending on cam and head milling. 1.2 ratio or 1.3 Ratio

Note: These are designed to work with standard length or +.070" valves, they are not recommended for the +.230" valves.