Roller Rocker Arms Aluminum Predator 212Cc Hemi

Roller Rocker Arms, Aluminum Predator 212cc Hemi

Regular price$139.95
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NR Racing Aluminum Full Roller Rockers for the Hemi Head | 1.2 or 1.3 Ratio
These rockers are crafted using aircraft-grade billet aluminum and feature replaceable steel roller tips. New steel shafts and roller bearings included.

  • Dyno-tested to 10,000rpm and proven to increase horsepower
  • Due to canted valve arrangement, Hemis may have valve-to-piston clearance issue with high-lift cam, especially with the 1.3 ratio.
  • These rocker arms require shorter pushrods (typically 5.260 or 5.340, depending on cam and head milling).

*Note: These are designed to work with standard length or +.070" valves. They are not recommended for the +.230" valves. May require valve cover spacer or minor grinding on valve cover grinder for clearance.

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