Shovelhead Rocker Boxes

(8 customer reviews)


  •  Shovelhead Rocker Boxes by Speed And Science. Billet Aluminum (6061-T6) Rocker Box system for the Harley-Davidson™ Shovelhead models.



Shovelhead Rocker Boxes by Speed And Science ®. Billet Aluminum (6061-T6) Rocker Box system for the Harley-Davidson™ Shovelhead models.

  • Bolt-on installation for all ’66-’84 models equipped with either billet Speed And Science heads (recommended) or cast OEM heads with OEM oil supply system.
  • This system provides superior fit and function vs. castings.
  • EVO style shafts (included).
  • Extra clearances provided for hi-lift applications.
  • The Speed And Science Rocker Boxes are designed for OEM shape rockers (standard or roller type, not included in the kit).
  • Two-piece construction allows for easy clearance check between moving elements.
  • The design is sealed with replaceable orings for easy maintenance and longevity.
  • 1.4lb weight savings (p. pair) versus castings.
  • Warranty details and conditions are listed in the Installation Manuals ( Manuals download page )

Additional information

Weight16 lbs
Dimensions16 × 12 × 10 in

8 reviews for Shovelhead Rocker Boxes

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Based on 8 reviews
5 star
4 star
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1-5 of 8 reviews
  1. Rocker boxes add the finishing touches. Again, fits as they should and no leaks

  2. Just beautiful. I guess I could have run my stock rocker boxes (that I spent hours polishing…. but just look at those SNS boxes… couldn’t say no! Plus, the quality & tolerances on ALL SnS products are spot on, aces!

  3. Beautiful product

  4. Parts came in quick and look amazing!

  5. fit and finish was very impressive. i do not have them installed yet, however i see no issues as everything looks to be near perfect.

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