S&S Cycle

FORGED STOCK BORE STROKER PISTONS FOR 1936–’84 OHV ENGINES

FITMENT • 84", 86", and 88" stroker engines for 1936–’84 OHV engines

FEATURES AND BENEFITS • Forged pistons for superior strength • Modern alloys and piston skirt profiles for low noise and long engine life • Dome volume 50cc • Piston kits include set of pistons, rings, wristpins, and clips S&S will fit these pistons to your existing cylinders (when purchasing new cylinders, pistons can be fit to them as an option)

106-5527

S&S FORGED STOCK BORE STROKER PISTON SPECIFICATIONS

Compression Ratio

Piston Deck Height

Displacement Bore

Stroke

Standard LC

84" 86" 88"

37/16" 37/16" 37/16"

41/2" 45/8" 43/4"

8.1:1 9.4:1

7.3:1 8.1:1 9.1:1

1.100

10.8:1

Recommended Piston Fit Close: .003"—.0035" Loose: .004"—.005"

FORGED STOCK BORE STROKER PISTONS Oversize Standard

REPLACEMENT RINGS FOR FORGED STOCK BORE STROKER PISTONS Oversize Part # Standard (37/16") 94-2200X 22325-55B, 22355-53, 22355-48, 22355-41

Low Compression

106-5527

920-0073

Standard (37/16")

94-2201X 22327-55B, 22357-48, 22357-41

106-5528

920-0075

+.010"

+.010"

94-2202X 22328-55B, 22358-53, 22358-48, 22358-41

106-5529

920-0077

+.020"

+.020"

94-2203X 22329-55B, 22359-48, 22359-41 94-2204X 22330-55B, 22360-48, 22360-41

106-5530

920-0079

+.030"

+.030"

106-5777

920-0081

+.040"

+.040"

94-2205X

106-5778

920-0083

+.050"

+.050"

94-2206X 22334-78A, 22334-78B, 21920-83 94-2207X 22335-78A, 22335-78B, 21922-83

106-5779

920-0085

+.060"

+.060"

106-5780

920-0087

+.070"

+.070"

94-2208X 22336-78B, 21923-83 94-2209X 22337-78B, 21924-83

106-5781

920-0089

+.080"

+.080"

106-5782

920-0091

+.090"

+.090"

NOTE: When ordering pistons for a shovel engine, please keep in mind that these pistons are sized by 37/16" standard bore for a 74" engine. If using 80" cylinders standard bore is 31/2" or 37/16" +.060".

REPLACEMENT WRISTPINS AND KEEPERS Description Part # Wristpin .791" diameter 106-6123 Wristpin keeper, c-clip each 94-9254-S 4 pack 94-9254

All reference to HD® part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle’s products are original equipment parts or that they are equivalent to the corresponding HD® part number shown.

144 S&S Vintage 1926–1999 Order 608-627-1497