S&S Cycle

CYLINDER HEAD REPLACEMENT PARTS FOR P-SERIES ENGINES, PANHEAD CYLINDER HEAD AND VALVE TRAIN UPDATE KIT & SHOVELHEAD RETRO CONVERSION KIT

1. Cylinder head– (See page 147) 2. Valves Intake

21. Head Gaskets

Head, Gasket, Copper - 1966-84bt 21a . 37/16"& 31/2" Bore

1.950" 18075-80, 18075-81, 18078-80, 18078- 81, 18078-81 ............... 90-2015 Exhaust–1948-'84 bt 1.720" 18086-80, 18086-81, 18089-80, 18089-81 ........................... 90-2022 3. Valve seats Intake - 1.940" Standard 18020-79, 18018-66, 18056-66B ..................................... 90-2017 +.002" oversize................................................................................ N/A Exhaust - 1.750" Standard 18017-66, 18055-66B, 18010-79 ..................................... 90-2018 +.010" oversize....................................................................... 90-2121 Intake or Exhaust (see valve guide diameter chart) Standard ............................................................................ USA 90-2240 +.001" 18109-81A ................................................................ USA 90-2241 +.002" 18108-81A, 90-2232 ................................................... USA 90-2242 +.003" 18107-81A, 90-2233 .................................................... USA 90-2243 +.004" 18106-81A, 90-2234 ................................................... USA 90-2244 +.006" 18110-81A ................................................................ USA 90-2246 +.060" .............................................................................. USA 90-2249 5. Valve guide seal–intake or exhaust 1981-’84 bt 18000-81 4 pack........................................................................................ USA 900-1005 6. Valve spring shim - Late 1981-’84 bt .005" x .765" x 1.500" each ........................................................... 50-7121 .015" x .765" x 1.500" each ........................................................... 50-7122 .025" x .765" x 1.500" each ........................................................... 50-7123 7. Valve spring kit–Late 1981-'84 (Includes springs, top & bottom collars, keepers shims) .590" lift - steel top collars.......................................................... 90-2063 8. Valve spring keeper - Intake or exhaust 1936-’84 bt each ...................................................................................... 90-2037-S 8 pack........................................................................................... 50-7165 9. Top Collar, Steel, .590"....................................................................... 90-2057 10. Inner Spring, .590"............................................................................ 90-2054 11 . Middle Spring, .590"......................................................................... 90-2055 12. Outer Spring, .590"............................................................................ 90-2056 13. Bottom Collar, Steel, .590"................................................................ 90-2062 14. Screw, SHCS, 5/16-18 x 3/4" Zinc 3275 ......................................... 50-0302-S 15. Lock washer - 5⁄16"....................................................................... 50-7032 16. Exhaust pipe gasket - 1966-’84 bt each ................................... 93-1004-S 17. Intake manifold (See page 162) 18. Manifold seal–O-ring - 1955-’78 bt 27060-55 each ......................................................................................... 50-8046 10 pack......................................................................................... 50-8132 19. Manifold mounting clamp O-ring type heads 1955-’78 bt 27063-57 .................................................................... 16-0230 20. Head bolt assembly, stainless - 1948-’84 bt (Includes head bolt & washer) 6469HW 10 Pack .............................. USA 93-3024 a. Head Bolt,12 pt,7/16-20 X 2-3/8" x 1" TD 1324-S each ............................................................................ USA 93-3024-S b. Head bolt washer - 1936-’84 bt, each ..................................... 93-3025 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. 4. Valve guide - cast - 1980-’84 bt

each 16770-66B ..................................................................... 93-1041 10 pack ................................................................................ 93-1061 Head Gasket Kit.............................................................. 106-1095 21b. 35/8"Bore each .................................................................................... 93-1042 10 pack ................................................................................ 93-1062 Head Gasket Kit.............................................................. 106-1096 Head Gasket, Composite - 1948-65 bt 21c. 35/8" Bore each ..................................................................................... 93-1019 Head Gasket, Copper - 1948-65 bt 21d. 37/16"& 31/2" Bore each 16770-48 ................................................................... 106-5933 21e. 35/8" Bore each .................................................................................. 106-5937 Head Gasket Kit.............................................................. 106-5938 Front intake/rear exhaust...................................................... 106-0928 Rear intake/front exhaust................................................... 106-0929 23. Pin, " diameter x " each ......................................................... 50-8022 2 pack...................................................................................... 50-8022-2 5 pack........................................................................................... 50-8105 24. Gasket, rocker cover 1948-’65 bt each ...................................... 900-0329 Set 117541-48 .............................................................................. 900-0339 25. Screw, SHC #10-24 x " 2674, 2675 each ..................................... 106-0913 26. Shaft, Rocker Arm, S&S P-Series...................... USA USA 1,2,3 106-0915 4 pack ..................................................................................... 106-0916 27. S nap ring SHF-37 3/8" x .050" each ............................................. 106-0917 28. Roller rocker arm Set .................................................................................... 900-4320A Front exhaust/rear intake 17375-66A ............................... 900-4320FA Rear exhaust/front intake 17360-66A ............................. 900-4320RA 29. Fitting, oil return, 1/8"-27 pipe 63533-65, 63533-41A ......................... 31-2019 30. Plug, oil return, 1/8"-27 pipe each .............................................. 50-8331A 10 pack ...................................................................................... 50-1015 31. Flat washer, .192" x 5/16" x .035" each.............................................................................................. 50-7009 Not Shown: 32. Head mount bolt - 7⁄16"-14 x 11⁄4" each ......................................................................................... 50-0171 33. Flat washer - 7⁄16" x 15⁄16" x 1⁄8" 6495HW .......................................... 50-7064 34. Cover, rocker arm, set, 1948-'65 bt 17500-48A .......................... 106-0919 35. Screw,SHC,5/16-18 x 1",Zinc,ASTM A574-92 3201WA, 2708 .................................................................................. 50-0101 22. Rocker arm support

N/A= No longer available

188 S&S Vintage 1926–1999 Order 608-627-1497