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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

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3 5/8'' Bore Piston Kits for 103"' Super Stock® Heads

 
 
 
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$376.95
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These 3-5/8" bore forged pistons are designed with a small recessed dome for intermediate compression piston for engines with S&S Super Stock® cylinder heads. These pistons can be used to increase the compression of S&S Sidewinder® kits for Harley-Davidson® Evolution® engines and in S&S engines with Super Stock cylinder heads. These are also used as a intermediate compression piston in 3-13/16", 4-5/16", and 5" stroke engines for Harley-Davidson® Sportster® models equipped with S&S Super Stock® cylinder heads. These pistons are clearanced for 5" stroke big twin engines with small (8-1/4") diameter flywheels, and are made from high strength low silicon forging for racing applications.

 

 

3 5/8" BORE INTERMEDIATE COMPRESSION PISTONS for S&S SUPER STOCK® HEADS  
Displacement Compression Ratio 
Part Number
 Standard    +.010"    +.020"    +.030"    +.040"    +.060"  
 103"  11.8:1    92-1120    92-1121    92-1112    n/a
 92-1124    n/a

*Small Diameter Flywheels
Piston kits include set of pistons, rings, wristpins, and clips.
Recommended Piston Fit: Close: 0.0023"-0.0025" Loose: 0.0035"-0.0045"

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