Rocker Arms, Roller Tip, Billet Steel; Gx270, Gx390, & 13/15 Hp Ohv; 1.3 Ratio
Price:
$ 109
- Condition: New
Seller notes
NR Racing Roller Tip Rocker Arms for GX270, GX390, 420 Non-Hemi Predator, and 13/15 Chinese OHV - Pair1.3 RatioMachined from chrome-moly steelHardened roller tips and shaftsDyno-tested to 10,000rpm and proven to increase horsepowerUses stock shaft and pivot nutFits under stock valve cover*Note: Dual springs may cause excessive shaft stretching or breakage.These rocker arms require shorter pushrods (typically 5.62 for GX270 and 6.44 for GX390)....
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