Piston Sets - Powersports

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  S&S Cycle

  S&S Cycle 36-84 BT 3-5/8in Piston Set - .010in

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  £431.50

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  Flathead Power® Forged 3-5/8" Bore Stroker Pistons replace several cast and forged big bore pistons that S&S® previously offered. Applications for this piston include 88", 4-1/4" stroke, 93", 4...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-5/8in Piston Set - Standard

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  £431.50

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  £431.50

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  Flathead Power® Forged 3-5/8" Bore Stroker Pistons replace several cast and forged big bore pistons that S&S® previously offered. Applications for this piston include 88", 4-1/4" stroke, 93", 4...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-7/16in x Up To 4-3/4in Stroke HC Piston Set - .030in

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  £493.45

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  These 3-7/16" +.030" bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD® big twins, and are designed to be used in conjunction with S&S® st...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-7/16in x Up To 4-3/4in Stroke HC Piston Set - .020in

  Regular price

  £493.45

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  £493.45

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  These 3-7/16" +.020" bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD® big twins, and are designed to be used in conjunction with S&S® st...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-7/16in x Up To 4-3/4in Stroke HC Piston Set - .010in

  Regular price

  £493.45

  Regular price

  Sale price

  £493.45

  Unit price

  /  per 

  These 3-7/16" +.010" bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD® big twins, and are designed to be used in conjunction with S&S® st...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-7/16in x Up To 4-3/4in Stroke HC Piston Set - Standard

  Regular price

  £493.45

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  £493.45

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  These 3-7/16" standard bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD® big twins, and are designed to be used in conjunction with S&S® ...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-1/2in +.030in 80in HC Forged Pistons

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  £431.50

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  These 3-1/2" +.030" bore high compression pistons fit 1979-'84 74" HD® big twin engines, producing 9:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, co...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-1/2in +.020in 80in HC Forged Pistons

  Regular price

  £431.50

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  £431.50

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  These 3-1/2" +.020" bore high compression pistons fit 1979-'84 74" HD® big twin engines, producing 9:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, co...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-1/2in +.010in 80in HC Forged Pistons

  Regular price

  £431.50

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  £431.50

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  These 3-1/2" +.010" bore high compression pistons fit 1979-'84 74" HD® big twin engines, producing 9:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, co...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-1/2in Standard 80in HC Forged Pistons

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  £431.50

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  These 3-1/2" standard bore high compression pistons fit 1979-'84 74" HD® big twin engines, producing 9:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, ...
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  S&S Cycle

  S&S Cycle 79-84 BT 3-1/2in +.030in 80in LC Forged Pistons

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  £431.50

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  These 3-1/2" +.030" bore pistons fit 1979-'84 80" HD® big twin engines, producing 8:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, coupled with the ad...
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  S&S Cycle

  S&S Cycle 79-84 BT 3-1/2in +.020in 80in LC Forged Pistons

  Regular price

  £431.50

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  £431.50

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  These 3-1/2" +.020" bore pistons fit 1979-'84 80" HD® big twin engines, producing 8:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, coupled with the ad...
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  S&S Cycle

  S&S Cycle 79-84 BT 3-1/2in +.010in 80in LC Forged Pistons

  Regular price

  £431.50

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  £431.50

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  /  per 

  These 3-1/2" +.010" bore pistons fit 1979-'84 80" HD® big twin engines, producing 8:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, coupled with the ad...
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  S&S Cycle

  S&S Cycle 79-84 BT 3-1/2in Standard 80in LC Forged Pistons

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  £431.50

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  £431.50

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  These 3-1/2" standard bore pistons fit 1979-'84 80" HD® big twin engines, producing 8:1 compression with stock unmodified cylinder heads.. The modern alloys used in these pistons, coupled with the ...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-7/16in Piston Set - .030in

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  £493.45

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  S&S Cycle 36-84 BT 3-7/16in Piston Set - .030inThis Part Fits: Year Make Model Submodel 1941-1947 Harley-Davidson EL Base 1941-1962 Harley-Davidson FL Base 1953,1955-1959 Harley-Davidson...
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  S&S Cycle

  S&S Cycle 36-84 BT 3-7/16in Piston Set - Standard

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  £493.45

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  S&S Cycle 36-84 BT 3-7/16in Piston Set - StandardThis Part Fits: Year Make Model Submodel 1941-1947 Harley-Davidson EL Base 1941-1962 Harley-Davidson FL Base 1953,1955-1959 Harley-Davids...
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  S&S Cycle

  S&S Cycle 36-78 BT 3-7/16in Piston Set - Standard

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  Includes Super Stock® cylinder heads, a pair of S&S® stock bore cylinders (37/16" for 74" and 31/2" for 80"), 8:1 compression forged pistons with rings and wristpins, manifold clamps, manifold ...
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  S&S Cycle

  S&S Cycle 2007+ BT 3.927in +.010in Bore 106in Big Bore Forged Pistons

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  £540.70

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  These big bore pistons work with the stock 4-3/8" stroke flywheels to convert any 2007-'16 HD® big twin engine from 96" or 103" to 106" displacement with 10:1 compression with stock heads. Stock cy...
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  S&S Cycle

  S&S Cycle 99-06 BT 3.927in +.010in Bore 97in Big Bore Forged Pistons

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  £540.70

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  These big bore pistons work with the stock 4" stroke flywheels to convert any 1999-'06 HD® big twin engine from 88" to 97" displacement with 9.7:1 compression with stock heads. Stock cylinders may ...
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  S&S Cycle

  S&S Cycle 2007+ BT 4-1/8in FD Piston Set - .020in

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  £648.85

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  Fits: 1984-'16 HD® big twins 4 1/8 bore. Stock or S&S® heads. Piston kits include set of pistons, rings, wristpins, and clips.
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  S&S Cycle

  S&S Cycle 2007+ BT 4-1/8in Piston Set - .010in

  Regular price

  £648.85

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  £648.85

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  Fits: 1984-'16 HD® big twins 4 1/8 bore. Stock or S&S® heads. Piston kits include set of pistons, rings, wristpins, and clips
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  S&S Cycle

  S&S Cycle 07-17 BT 3.927in Standard Bore 106in Big Bore Forged Piston Set

  Regular price

  £540.70

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  £540.70

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  These big bore pistons work with the stock 4-3/8" stroke flywheels to convert any 2007-'16 HD® big twin engine from 96" or 103" to 106" displacement with 10:1 compression with stock heads. Stock cy...
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  S&S Cycle

  S&S Cycle 99-06 BT 3.927in Standard Bore 97in Big Bore Forged Piston Set

  Regular price

  £540.70

  Regular price

  Sale price

  £540.70

  Unit price

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  These big bore pistons work with the stock 4" stroke flywheels to convert any 1999-'06 HD® big twin engine from 88" to 97" displacement with 9.7:1 compression with stock heads. Stock cylinders may ...
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  S&S Cycle

  S&S Cycle 2007+ BT 4-1/8in FD Piston Set

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  £648.85

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  S&S® 41/8" BORE FORGED PISTON KITS FOR HOT SET UP KITS ® for 1984-'16 HD® big twins. Piston kits include set of pistons, rings, wristpins, and clips.