GAGE Black Venom Series Roller Rocker Arms with
Needle Bearings - GX390
Fits GX340, GX390, non-Hemi 420s, and 460s. Will not fit GX240/270s.
Rocker Arms, Full Roller Rockers, Aluminum.
Available in 1.2 and 1.3 ratio.
CNC machined from aircraft grade aluminum
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