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Rocker Arms, Roller Tip, Billet Steel; GX270, GX390, & 13/15 Clone; Pair
Rocker Arms, Roller Tip, Billet Steel; GX270, GX390, & 13/15 Clone; Pair
 
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Our Price: $109.00

Stock Status:In Stock

Part #: NRROCK-RT390

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1.2 Ratio
1.3 Ratio

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Description -
 
NR Racing Roller Tip Rocker Arms for GX270, GX390, and 13/15 Clone OHV - Pair
Choice of 1.2 or 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).

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