Holley/Avenger 570 CFM Vacuum Secondary Base Plate Assembly. This new base plate assemble fits 4150 series vacuum secondary with TWO CORNER IDLE, 570 CFM and 1-1/2" throttle bore/plates marked 107 primary & 116 secondary along with Ford kick down lever.
![Hot Cams HC00135 Shim Conversion Kit Compatible With/Replacement For Polaris ACE 570 [Euro] 2016-2018, ACE 570 [MD] 2016, ACE 570 2016-2019, ACE 570 HD 2015-2019, Ranger 570 [Euro] 2015-2016](https://images.buynet.work/thumb.php?i=348316136&s=240)
