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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

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Die Cast Rocker Cover for 1999–Up Big Twins and S&S 4-1/8"

 
$599.95
SKU:
90-4110
Qty:
 
Dealer Only Item

 
 
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Description
Product Reviews
Specs
Fitment
Instructions

Produced using the die-casting manufacturing process and then machined with computer controlled equipment. Includes Viton® o-ring style cover seals for leak-free operation. Our proven two-piece design makes installation simple.

 

FITMENT:

  • 1984–‘99 big twins
  • S&S 41/8" Bore

 

FEATURES AND BENEFITS:

  • Special rocker arm supports are included
  • S&S rocker covers are finished with show-quality chrome
  • Installation on stock and most comparable sized engines can be performed without removing the engine from the frame
  • Clearanced to permit valve lifts up to .640" using S&S valve spring packages and stock rocker arms or S&S roller rocker arms
  • S&S rocker covers accept valve springs up to 1.660" O.D. without modification
  • Exclusive one way valve built into the rocker cover gasket to control oil carry over

 


KIT CONTENTS:

  • Front and rear covers
  • All necessary gaskets and o-rings
  • Mounting hardware

 

 

Notes:

  • If using valve spring packages with taller than stock installed height, some minor clearancing may be required.
  • Cylinder heads must be set up correctly for high lift cams, and it remains the builder’s responsibility to confirm all clearances.
  • In most instances, only minor clearancing is required to use S&S rocker covers with valve springs larger than 1.660” O.D.

 

 

Any job is easy with the right tools: Rocker Cover Wrench Set

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