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Rocker Arms, Roller Tip, Billet Steel; GX270, GX390, & 13/15 HP OHV; 1.3 Ratio

Rocker Arms, Roller Tip, Billet Steel; GX270, GX390, & 13/15 HP OHV; 1.3 Ratio

$ 57.55

Availability: 58 in stock
  • Country/Region of Manufacture: United States
  • Condition: New
  • Warranty: Unspecified Length
  • Manufacturer Part Number: NRROCK-RT390-13
  • Brand: NR Racing

    Description

    NR Racing Roller Tip Rocker Arms for GX270, GX390, 420 Non-Hemi Predator, and 13/15 Chinese OHV - Pair
    1.3 Ratio
    Machined from chrome-moly steel
    Hardened roller tips and shafts
    Dyno-tested to 10,000rpm and proven to increase horsepower
    Uses stock shaft and pivot nut
    Fits 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).