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

1936-'84

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1 Head, kit, 421" dual steel for covers, gloss black 1936-'47 OHV BT; KN-Series

24 Shaft, set, rocker arm, 1936-'47 OHV BT; KN Series (Set of four, Includes spacers and hardware).. . . . . . . . . . . . . . . . 106-2413 25 Nut kit, rocker arm (HD-7831) ...............................106-3632 26 Adaptor, Manifold, conversion, plumber to o-ring. . . . . . . . . . . . . 106-4654 27 O-ring, manifold (HD-27060-55) each.........................50-8046 10pack.............................................. 50-8132 28 Gasket, set, head, KN-Series, Copper 35/8"bore(each)........................................106-2681 2pack.............................................. 106-2432 37/16"bore..............................................106-2689 29 Oil line, Return 1936-'47 OHV BT (S&S Tins Only) Kitof4............................................... 106-4446 FrontIntake............................................106-4447 FrontExhaust.......................................... 106-4448 RearIntake.............................................106-4449 RearExhaust...........................................106-4450 30 Seal, Oil Return Line, FHP tins only 28"ODx 18"IDx1",RubberHose.. . . . . . . . . . . . . . . . . . . . . . . .106-4456 31O-ring................................................. 900-0669 32 Oil supply fitting, Cad Plated 1 (HD-7325-42) ..................106-4618 33 Oil return fittings, Parkerized (HD-17320-38) ..................106-4619 34 Washer, Lock, 385" x 680" x 094",Zinc.. . . . . . . . . . . . . . . . . . . . . . 50-7052 35Nut,Jam,7/16-20,Zinc.................................. 106-4356 36 Washer, Thrust, Stepped, 015" (HD-17465-36) ..................106-4352 37 Washer,Thrust,Stepped, 060".. . . . . . . . . . . . . . . . . . . . . . . . . . . .106-4883 Parts Not Shown: 38 Manifold, kit, o-ring, 17/8", VOES, KN93. . . . . . . . . . . . . . . . . . . . . . . 106-4530 39 Gasket, kit, engine, KN-Series, with hardware.. . . . . . . . . . . . . . . . 106-2414 40 Pushrod, set, non-adjustable, KN93, steel 1936-'47OHVBT........................................930-0009 41 Cover keeper, kit, pushrod, KN93 (HD-17949-40, 17950-66) ............................. 93-4106 42 Oil line, supply, "Y" feed, 1936-'47 OHV BT Stock 74", KN74, KN93, S&S/Stock Carb. . . . . . . . . . . . . . . . . . . . . 106-4670 43 Bottom collar spacer–required when using S&S valve springs with stock steel "tins" 106-5094 44 Rocker arm cover gasket kit, 1936-‘47 big twin . . . . . . . . . . . . . . . 900-0493

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 5-72 5-72

Front...............................................106-0418 Rear................................................106-0419 2Valve Intake,1940"..........................................106-3630 Exhaust,1750" ........................................106-3629 3 Valve seat Intake,1940"..........................................106-2821 Intake/Exhaust,1750"...................................106-2822 4 Valve guide, intake/exhaust for S&S KN-Series Standard...............................................900-0526 +002"................................................900-0527 +004"................................................900-0528 +008"................................................900-0529 5 Gasket, lower valve cover (tin), 1936-’47 OHV BT. . . . . . . . . . . . . . 900-0668 6 Cover, kit, bottom, valve spring, (tins), black anodized, (includes screws) 1938-'47 BT KN-Series.. . . . . . . . . . . . . . . . . . . 900-0674 NOTE - bottom tins will not fit stock upper tins 7 Screw, valve spring cover (HD-3477) ..........................106-3634 NOTE - Valve spring components below are not interchangable with stock and must be used together 8Bottomcollar,valvespring.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .900-0670 9Shim,valvespring 015"...................................106-4549 10Spring,kit,valve,dual, 421".. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106-4362 Springsonly,1936-'47OHVBT .. . . . . . . . . . . . . . . . . . . . . . . . . . 900-0535 11Topcollar,valvespring....................................106-3828 12 Keepers, valve spring, top collar.. . . . . . . . . . . . . . . . . . . . . . . . . . 90-2037-S 8Pack............................................... 50-7165 13 Cover, kit, top, valve spring, (tins) 1938-'47 BT; KN-Series GlossBlackPowdercoat....................................... N/A NOTE - top tins will not fit stock bottom tins 14 Gasket, kit, valve spring cover, top, S&S only. . . . . . . . . . . . . . . . . . 106-3166 15 Nut, rocker shaft, with o-ring, chrome 1936-'47 OHV BT (HD-17447-36) each..................................106-4355 ± 16 O-ring,(-017), 676" ID x 816" OD,Black, . . . . . . . . . . . . . . . . . . . . . . 50-0466 17 Housing, rocker arm, (knuckles) ,1936-'47 OHV BT Set,Polished...........................................900-0617 Front,Polished..........................................900-0618 Rear,Polished..........................................900-0619 Set,AsCast............................................ 900-0622 Front,AsCast.......................................... 900-0623 Rear,AsCast............................................900-0624 18 Screw, HHCS, 3/8-16 x 1"– Cadmium plated. . . . . . . . . . . . . . . . . . . 106-4597 19 Screw, HHCS, 3/8-16 x 11/2"– Cadmium plated . . . . . . . . . . . . . . . . . 106-4598 20Washer,Lock,7/16",Zinc....................................106-4357 21 Washer, packing 1936-'47 OHV BT (HD-17482-36) ..............106-4358 22 Seal, rocker arm, 1936-’47 OHV BT (HD-17475-38) ..............106-3636 23 Rocker arm, non-roller, 1:1 ratio, 1936-'47 OHV BT; KN-Series (Includesshaftkit)Setoffour.. . . . . . . . . . . . . . . . . . . . . . . . . . . . 106-2412 FrontIntakew/shaft.....................................106-2862 FrontExhaustw/shaft...................................106-2863 RearIntakew/shaft.....................................106-2864 RearExhaustw/shaft....................................106-2865