S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1936-'84

Phone: 608-627-1497

1 -2017-UP 2 -2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

S&S will fit these pistons to your existing cylinders (when purchasing new cylinders, pistons can be fit to them as an option) 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 Forged Stock Bore Stroker Piston Specifications

Compression Ratio

Piston Deck Height

Displacement Bore

Stroke

Standard LC

106-5527

84" 86" 88"

37/16" 41/2" 37/16" 45/8" 37/16" 43/4"

8 1:1 9 4:1

7 3:1 8 1:1 9 1:1

Replacement Rings for Forged Stock Bore Stroker Pistons Oversize Part # Standard (37/16") 94-2200X (HD-22325-55B, 22355-53, 22355-48, 22355-41) +010" 94-2201X (HD-22327-55B, 22357-48, 22357-41) +020" 94-2202X (HD-22328-55B, 22358-53, 22358-48, 22358-41) +030" 94-2203X (HD-22329-55B, 22359-48, 22359-41) +040" 94-2204X (HD-22330-55B, 22360-48, 22360-41) +050" 94-2205X

1 100

10 8:1

Recommended Piston Fit Close: .003"—.0035" Loose: .004"—.005" Forged Stock Bore Stroker Pistons Oversize Standard

Low Compression

Standard(37/16")

106-5527

920-0073

+010"

106-5528

920-0075

+020"

106-5529

920-0077

+030"

106-5530

920-0079

+040"

106-5777

920-0081

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

+060"

+050"

106-5778

920-0083

+070"

+060"

106-5779

920-0085

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

+080"

+070"

106-5780

920-0087

+090"

+080"

106-5781

920-0089

+090"

106-5782

920-0091

Replacement Wristpins and Keepers For 1936–’84 OHV Engines Description Part #

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"

Wristpin 791" diameter

106-6123

each

94-9254-S

Wristpin keeper, c-clip

4 pack

94-9254

5-25

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.