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Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator
Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator - Image 1 of 0
Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator - Image 2 of 0
Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator - Image 1 of 0
Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator - Image 2 of 0
Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator - Image 1 of 0
Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator - Image 2 of 0

Roller Rockers, Shaft Mounted, 1.3 Ratio, Billet Steel, 301 & 420 Hemi Predator

1 Reviews
$
Product Code: NRROCK-SM420-13
Shaft Mounted Roller Rocker Arms for 420 Hemi Predator
  • Super strong, high-ratio rocker arms (1.3 ratio)
  • Fits 420 Hemi Predators. Will not fit old style 420s or Hondas.
  • Must shave pin hole width - .010/.012" to fit 301 Hemi Predators.

Reviews

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Average Rating:
( 1 )
Kirby Taylor from Stockport, OH United States
January 25, 2026
420 hemi roller rockers
I havent started my build yet but test fitted them nice fit on the pin holes. Should work out great.
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