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

2007-'17

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

• Cylinder w/piston kits include fitted pistons and cylinders, head gaskets, base, and exhaust gaskets • Cylinder kits with pistons are honed to fit the pistons included

S&S® Big Bore Kit Specification Chart For 106" & 107" Kits

Compression Ratio (with provided 045" head gasket)

Cylinder Length

Forged Piston Type

Displacement Bore

Stroke

83cc CNC Ported Stock Heads

79cc S&S Heads

85cc Stock Heads 89cc S&S Heads

107" 106"

3 937" 43/8" 3 927" 43/8"

4 937" 4 937"

3cc Dome

N/A

10 7:1 10 2-1

10 5:1 10 0:1

10 1:1

Flat Top

10 6:1

9 7:1

Cylinder w/piston kits include pistons and cylinders that require no boring or honing.

106” and 107” Bolt-In Big Bore Kits For ‘99-2017 BT Displacement Silver

Wrinkle Black

107" 106"

910-0480 910-0202

910-0500

910-0206 NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT

All other bores and finishes are available through Special Order. . . . 91-7506 * * Special Order: Download the Special Order Form at sscycle.com/soforms

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