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Rocker Arms, Roller, Shaft Mounted, Billet Steel, GX390
Rocker Arms, Roller, Shaft Mounted, Billet Steel, GX390

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Our Price: $129.00

Stock Status:In Stock

Part #: NRROCK-SM390


1.2 Ratio
1.3 Ratio

Description -
Shaft Mounted Roller Rocker Arms for GX390
Choice of 1.2 or 1.3 Ratio
  • Super strong, economical alternative to the aluminum rollers
  • Fits GX340/390s and non-Hemi 13/15hp "Clones". Will not fit 240/270s.

*May need to modify valve cover bolt boss for clearance during assembly.

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 1 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 Big Block Billet Steel Roller Rockers June 29, 2017
Reviewer: Jerry L from New York  
The new revised design of the rocker arms is perfect. More material in the loops right where its needed. I would recommend these 1.3 roller rockers to anyone who wants more power and less top end noise. With a simple Torque Cam and these rocker arms will make a very noticeable improvement throughout the entire rpm range.

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