Check the listing for details. Distributor Cap Rotor Wisconsin Engine VH4D VG4D V465D W4-1770 Perlux Only. Condition: New. Listed at 32.95 USD. New Cap and Rotor for electronic distributor used on Wisconsin VH4D W4-1770 VG4D and V465D engines. Use the pictures as a guide, if your cap/rotor does not look like what is pictured then these parts will not work. Wisconsin used various distributors and this cap/rotor will only fit electronic distributors made by Perlux or Pertronix. Note: These are stock photos, caps are currently produced without the Perlux logo but fitment is the same as caps with the logo. Caps are supplied with either a round or oblong vent caps but they are functionally the same. Fits distributors YF50S1 and YF50AS1. Replaces Wisconsin number 20121003 This cap and rotor WILL NOT fit a points type distributor or a points distributor that has been converted to electronic. Again, please check your distributor carefully and compare your existing cap and rotor with the pictures. Questions welcome and encouraged, we want to make sure you get the right part. Thanks for stopping by and please check out our other items.