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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

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Super Stock® Heads for 3 1/2" and 3 5/8" Bore

 
 
 
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Description
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A specially shaped combustion chamber and contoured piston dome are what make these heads produce power. The increased "squish" area of this design sets up a controlled turbulence in the combustion chamber. That turbulence improves flame travel for a more efficient burn and reduced detonation. Pistons are available to achieve various compression ratios.

  • 1986-2003 Sportster®
  • 1994–'02 Buell®
  • Machined with a stock bolt pattern
  • Larger, more open combustion chamber presents less resistance to air flow around the valves
  • 2.000 inch intake valves and 1.605 inch exhaust valves
  • Special "cast-to-shape" intake ports with a special directional fin for improved air flow
  • Precision CNC machined from heat treated aircraft quality aluminum castings
  • Complete head assembly with valves and S&S .640 inch lift springs
  • Choose finish

 

Assembled S&S® Super Stock® Head Kits  
Application 
Finish 
Natural   Black  
1991-'03 Sportster®   90-1310   90-1810  
1986-'90 Sportster   90-1302   90-1802  
1994-'02 Buell®   90-1305   90-1805  
Special Order   90-1328 



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