Holley Power Valve Check Ball Kit 28BK 920" Round Port

920" Round Port

use Edelbrock stepped head bolt washer kit #9680

12 And 16 Volt Compatible

ATI SB Chevy 168 Tooth Flexplate - SFI - Internal Balance 915541

Holley Power Valve Check Ball Kit 28BK 920" Round PortPower valve "blowout" protection can now be added to older model 2300, 4150 and 4160 carburetors. Consisting of a spring, brass seat and check ball, this kit will effectively protect the power valve and is easy to install. Included is the proper drill bit size, with stop, to facilitate installation. Detailed instructions are included. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup