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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

S&S Cycle logo
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Rocker Box Kit for 1966–'84 Big Twins

 
$795.95
SKU:
90-4305
Qty:
 
Dealer Only Item

 
 
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Just the fact that the S&S polished billet rocker covers for shovelhead engines look so good may be reason enough to put them on your bike, but the beauty is not just skin deep. The well thought out design offers a number of advantages over conventional cast rocker boxes. Machined from billets of 6061-T-6511 aluminum on modern CNC machining centers, these rocker boxes provide the ultimate in dimensional accuracy and stability. The top and bottom sections of the covers are sealed with an o-ring type seal that insures leak free operation. Rocker shafts used in the S&S rocker boxes are a strong and economical straight design. Anyone who has had to replace a set of stock shovelhead rocker shafts can tell you that this will save you money when it comes time to rebuild the top end.

 

Features:

  • CNC machined from 6061-T6511 aluminum billet and polished to a show finish.
  • Two piece design allows removal and installation in some frames
  • Top and bottom are sealed with o-ring type seal for leak free operation
  • Can be used with stock style rocker arms or S&S roller rocker arms for shovelhead engines
  • Top end oil can be supplied through stock shovelhead oil fitting or through pushrods when used with S&S tappet guides and pushrods
  • Exclusive S&S design uses strong economical straight rocker shafts
  • Clearanced for valve lifts of up to .590 with S&S roller rocker arms.
Customer Reviews
Overall:
Name:
Bikerlink
Date:
11/27/2012
Review:
Runnin a 96 inch s&s hp twinkie eater, installed rocker boxes with james gskets no problems after 30,000 miles fit and finish excellent definately recommend
Rating:
Name:
C.Abe Lockwood Pro-Tune Center
Date:
07/16/2012
Review:
I have installed these rocker boxs with out a problem they add a very nice smooth look. As far as the leaks go-if people would just stop useing die grinders with abrasive pads ( as they remove more metal than you might think!)and remove gaskets properly you might just have a flat surface to insure no leaks-other wise go to your machinist to mill the top of the cyl head flat!! Flat is Flat & use proper torque technices and that is when the gasket works.
Rating:
Name:
ShovelRyder
Date:
04/18/2011
Review:
I have an S and S 93ci motor on my bike. The engine is very strong and runs well but S and S uses the worst gaskets in their top ends that you can buy. My rocker boxes leaked from initial start up. I switched to James metal gaskets with the silicone bead. No more leaks. The leak free o-ring is bull shit i guarantee it will start leaking sooner than later.
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