Holley carburetor rebuild kits are sold online at the Holley Performance Products website and at vendors including Jegs and The Carburetor Refactory, as of March 2015. Holley carburetor parts and rebuild kits are available in many different variations.
The Holley company website sells a Renew Kit Carburetor Rebuild Kit Model Number 4160 that serves all Holley Performance carburetors and includes step-by-step instructions and a detailed tuning guide.
Jegs advertises a complete trick kit that services all Holley vacuum secondary and double-pumper carburetors, as well as a number of fast kits including models 4160, 4150, 2300 and Ultra HP. Kits sold at Jegs use genuine Holley parts and include instructions, diagrams and tuning guides.
Holley carburetor rebuild kits sold at The Carburetor Refactory include kits for Holley models 4160, 4150 and 2010.