Swirl flap caps kit for Pierburg inlet manifold part number 55206459, 55190238, 55194739
this kit you will be able to reuse your old inlet manifold
and it will improve BHP, better throttle response and better MPG.
This kit has been Tryed and Tested on many Z19 DTH engines.
Kit Consist of:
5 aluminium bushes (4 Big bushes and 1 Small bushes)
All Taper bushes are made from 6061 aluminium.
BondLoc B603 10ml
Instructions for fitting the bushes only
When fitting this kit, you must leave the flap actuation motor and connected electrically but diconnect the lever arm.