Melling Expansion Plug Kit - GM LS Series Engines RS200320 EFI or carbureted

EFI or carbureted

2017-2018 GMC Sierra 3500 HD SLE DIESEL Double Cab Pickup

Thread Chaser

Application specific design to ensure a perfect fit

This air bleed kit is a must when track-tuning a 4500 DOMINATOR HP carburetor for maximum performance

Melling Expansion Plug Kit - GM LS Series Engines RS200320 EFI or carburetedMelling expansion freeze plug kits provide an efficient way to supply the plug requirements to complete your engine rebuild. Melling offers convenient bagged coverage for most domestic and import engine applications. Each kit contains the high quality expansion freeze plugs needed for the listed application plus the pipe plugs required to complete the job. Melling expansion freeze plug kits are available with either steel or brass water jacket plugs