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

Tools and Supplies

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

Fitment • 4 25 bore 2017–up touring models • S&S 41⁄8" bore • 4" bore 1999–up big twin • 35/8" 1984–'99 big twin • Harley-Davidson® Sportster® models in 35⁄8" and 4" bore Features and Benefits • S&S torque plates can be used in conjunction with an S&S boring fixture and a conventional boring bar, and they can be readily adapted to a Sunnen® type honing machine Kit Contents • Head end plate • Base end plate • Four long grade 8 socket head cap screws (holds the assembly together and supplies the pressure) • Stop arm (keeps the cylinder and plates from turning while honing)

Cylinder Torque Plate Replacement Parts (See chart for specific part numbers )

1 Base end torque plate 2 Head end torque plate 3 Stop arm 4 Torque bolts

5 Vise tab 6 Tab bolt

2

4

1

6

3

5

Cylinder Torque Plate Kits Bore Size

Case Bolt Pattern

Part #

43⁄8" -47/16"

S&S 43⁄8" Pattern

53-0055

41⁄8" 53-0054 S&S Cylinder torque plate kits are intended for aluminum cylinders including 1984–'99 Harley-Davidson® Evolution® big twin engines, 1986–'03 Sportster models, and 1999–up big twin engines Stock 1999–up big twin

Cylinder Torque Plate Kits and Replacement Parts

Bolt 7⁄16"- 20 x 7"

Bolt M10 x 1 5 mm x 160 mm

Head End Plate

Base End Plate

Bolt 7⁄16"-20 x 6"

Tab Bolt 5⁄16"-18 x 1"

Bore Size Case Bolt Pattern Kit Part #

Stop Arm

Vise Tab

4 25

2017– up M8

–

530-0039 530-0044 53-0014 –

50-0192 – 50-0192 –

53-0034 50-0108 53-0034 50-0108

43⁄8" - 47/16" S&S 43⁄8" Pattern 53-0055 53-0056

53-0057 53-0014 –

Stock 1999–up big twin

41⁄8"

53-0054 106-3190 530-0060 53-0014 –

–

500-1053 53-0034 50-0108

41⁄8"

S&S 41⁄8" Pattern –

–

–

53-0014 50-0191

–

–

53-0034 50-0108

Stock 1999–up big twin

3 927" - 4"

–

–

-

53-0014 –

50-0192 –

53-0034 50-0108

4"

S&S 4" Pattern

–

– – –

–

53-0014 50-0191

50-0192 – 50-0192 – 50-0192 –

53-0034 50-0108 53-0034 50-0108

35⁄8" 35⁄8"

1984–'99 big twin – 1984–'03 Sportster® –

- -

53-0014 – 53-0014 –

53-0034 50-0108 S&S Cylinder torque plate kits are intended for aluminum cylinders including 1984-'99 Harley-Davidson® Evolution® big twin engines, 1986-'03 Sportster models, and 1999-up Twin Cam 88® engines

8-5