S&S Cycle

1926–'84 vintage engines

1984–1999 Evolution ® 1926–1984 Vintage Engines Tools & Shop Supplies Warranty & Company Policy Appendix & Index

84", 86", OR 88" STOCK BORE STROKER KIT FEATURES AND BENEFITS • Increased displacement and power • Economical—re-use most stock engine components • Easy installation—like a stock engine rebuild • Stock appearance OPTIONS • Displacement 84", 86", or 88" • Cylinder Bore 37/16" or 31/2"

Optional parts available—cam, prefit cylinder and piston kits, cylinder heads, S&S retro conversion kit (pan style heads and upgraded valve train), and S&S valve train upgrade kit

32-2222

S&S® STOCK BORE STROKER KIT SPECIFICATIONS 1936–’84 BIG TWINS

Compression Ratio Recommended Cam (Stock Valve Train)

Recommended Cam (S&S® Valve Train)

Displacement

Bore

Stroke

Recommended Carb

HC

LC

84" 86" 88"

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

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

8.4:1 9.4:1

7.3 8.1 9.1

S&S 450S

S&S 513 S&S 585 S&S 640

Super E Super E Super E

S&S 514

10.8:1

S&S 565S

STOCK BORE STROKER KITS FOR KNUCKLEHEAD, PANHEAD, & SHOVELHEAD ENGINES Displacement 84" 86"

88"

1936–'53 1958–'64 †

32-2219 32-2220 32-2221 32-2222 32-2015

– –

– –

1965–'69

–

–

1970–'84

32-2108 32-2015

–

Custom Flywheels 32-2015 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution controlled motor vehicle.. † S&S does not offer a pinion shaft for 1954–'57 engines. THESE KITS REQUIRE SPECIAL S&S PISTONS. SEE CHART. ! 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 +.050" 106-5778 920-0083 +.060" 106-5779 920-0085 +.070" 106-5780 920-0087 +.080" 106-5781 920-0089 +.090" 106-5782 920-0091

106-5527

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