Page 62 of Engine Components & Gaskets by Zodiac

valve retainers collars shims light-weight aluminum alloy retainers steel keepers precision machining retainers are manufactured from 7075-t6 aluminum alloy and have a hard-anodized finish for longer wear the 15 degree steel keepers are heat treated after machining 234289 retainer and valve keeper set fits sportster models 1952 thru 1985 234290 retainers set fits 1941 thru 1984 big-twins except evolution this retainer kit allows 0.060 to 0.070 more valve travel over the stock retainers also for use with precision machining high lift valve springs zpn 234285 and keepers zpn 234292 234292 valve keeper set fits 1941 thru 1984 big-twins except evolution 234291 valve keeper set fits bigtwins except evolution with thin stem valves 234294 retainer set fits evolution big-twin models from 1984 thru 1999 twin-cam models 1999 thru 2004 and sportster models from 1986 thru 2003 retainers are machined for use with 15 degree keepers also for use with precision machining high lift valve spring kit zpn 234286 234293 valve keeper set fits evolution big-twin models from 1984 thru 1999 twin-cam models 1999 thru 2004 and sportster models from 1986 thru 2003 also for use with precision machining retainers zpn 234294 234295 valve keepers set fits evolution big-twin models from 1984 thru 1999 twin-cam models 1999 thru 2004 and sportster models 1986 thru 2003 this keeper set allows 100 more travel over the stock keepers also for use with the valve spring kit for high lift cams zpn 234288 07-062 rowe valve spring spacing shims titanium valve spring retainer set for shovelhead precision machining retainer kit with 0.70 offset to allow more installed spring height can be used with stock and precision machining springs zpn 234285 and keepers zpn 234292 fits all 74 and 80 shovelhead motors 236137 valve spring retainer set rowe s valve spring spacing shims make it easy to get precise and equal pressure on all valves or increase pressure as desired shims are sold in packs of 4 fits 1958 thru 1985 ironhead sportster models shims have .578 inner diameter and .760 outer diameter 721076 .060 thick 721077 .030 thick 721078 .015 thick fits 1986 to present evolution sportster models shims have .625 inner diameter and 1.250 outer diameter 721070 .060 thick 721071 .030 thick 721072 .015 thick fits 1948 thru 1965 panhead models and 1965 thru 1979 shovelhead models shims have .578 inner diameter and .760 outer diameter 721076 .060 thick 721077 .030 thick 721078 .015 thick fits 1979 thru 1984 shovelhead models shims have .765 inner diameter and 1.375 outer diameter 721073 .060 thick 721074 .030 thick fits 1984 thru 1999 evolution bigtwin models 1999 to present twincam 88 models shims have .625 inner diameter and 1.250 outer diameter 721070 .060 thick 721071 .030 thick 721072 .015 thick 07 lower valve spring collars precision machining has machined these lower valve spring collars to work with .562 diameter guide seals and have counter-bored them for added seal clearance fits all 74 and 80 shovelhead motors sold in sets of 4 236136 set of 4 lower valve spring collars

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