Catalog: Engine Components & Gaskets | |
| lower end big-twin 10.236053 inner race for 1987 thru 1999 style ... shaft bearing assemblies 19871999 oem 23928-87 11.231502 sprocket shaft spacer 1970- ... sprocket alignment washers 1970 1999 231763 assortment 6 pack one each size 233489 ... 5 pack .060 oem 24032-70 233498 5 pack .090 oem 24033-70 233499 5 pack ... .120 oem 24034-70 233500 5 pack .150 oem 24035-70 233501 5 pack ... .180 oem 24036-70 233502 5 pack .210 oem 24037-70 13.right case ... bearing races std 2.127 od 231434 race 1940 thru 1954 std oem 24599-40 ... 231435 race 1940 thru 1954 005 24601-40 ... 231436 race 1955 thru 1957 std oem 24599-55 ... 231437 race 1955 thru 1957 005 24601-55 ... 231503 race 1958 thru 1999 std oem 24599-58a ... 235875 race 1958 thru 1999 002 24600-58a ... | |
| to 88 cubic inch shows off performance headwork valve clearances must be checked 235933 ... motors valve clearances must be checked 235934 1984 thru 1999 1-1006 hi-roller cams ... valve clearances must be checked 235935 1984 thru 1999 crane cams for evolution ... checked for best results the cylinder heads should be machined the only place you ... be checked on early evolution engines 231335 1984 thru 1999 h296-2 grind hydraulic ... to-valve and valve-to-piston clearances 231336 1984 thru 1999 h306-2 grind hydraulic ... to-valve and piston-to-valve clearances 231337 1984 thru 1999 h310-2 grind designed ... necessary for higher lift show off head and crab work 231350 1984 thru 1999 07 ... ° 25° 252° 262° .490 .500 28° 69° 54° 23° 262° 272° .500 .510 23° 68° 63° 28° ... ° 25° 240° 248° .581 .581 28° 69° 54° 23° 254° 260° .600 .600 23° 68° 63° 28° ... | |
| and 1.610 exhaust valve in ported heads solid or hydraulic with limiters ... 232077 red shift cam lobes 531v2 07 red shift ... geometry roller rockers and pro springs 232087 red shift cam lobes 721v2 cam ... duration valve lift .053 28° 60° 23° 70° 51° 19° 64° 17° 259° 259° 267° 267 ... | |
| performance from their ported and flown heads precision machining designed special ... shaped valves with oversized heads and extra long stems these high ... with professional equipment head dia a 236445 in 2.000 black diamond b 236446 in 2. ... 100 black diamond c 236447 in 2.125 tensilite titanium d 236448 ... in 2.125 black diamond e 236449 ex 1.715 black diamond f 236450 ex 1. ... 750 black diamond g 236451 ex 1.750 special inconel h 236452 ex 1 ... .3096 .3747 tulip length profile 23° 4.780 23° 23° 23° 44° 44° 44° 29° 4. ... your 883 evolution sportster zpn type head dia stem dia profile 236138 intake 1. ... 585 .2745 23° 236139 exhaust 1.350 .2745 27° length 4.550 ... one matching valve stem seal intake 236140 236141 236142 236143 236144 236145 ... | |
| sportster models zpn type stem dia head dia oem 721032 in .3097 1.940 18027- ... sportster 883 models zpn type stem dia head dia oem 721026 in .3102 1.585 18031- ... sportster 1100 models zpn type stem dia head dia oem 721025 in .3102 1.844 18023- ... sportster 1200 models zpn type stem dia head dia oem 721023 in .3102 1.715 18023- ... big-twin models zpn type stem dia head dia oem 721030 in .3760 1.750 18071- ... big-twin models zpn type stem dia head dia oem 721028 in .3767 1.940 18074- ... evolution big-twins zpn type stem dia head dia oem 721021 in .3102 1.844 18074- ... 07-112 thru 2004 twin-cam 88 stem dia head dia .3102 1.844 .3095 1.610 models ... 2004 twin-cam 88 models zpn type stem head tulip length oem dia dia profile 720639 ... in .3105 1.900 23° 4.400 over size head 720638 ex .3098 1.570 25° 4.533 ... | |
