Holley Marine 4160 Carburetor Renew Kit Water Pressure Gauge Valve springs with larger diameters

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs

Hydraulic - High Energy: Good upgrade for factory performance cams in 390-428

305 cc Intake

Feature larger plenum than the lower profile LSXr High HP intake manifold

Accepts -12AN ORB fittings

Holley Marine 4160 Carburetor Renew Kit Water Pressure Gauge Valve springs with larger diametersRenew Kit original equipment marine rebuild kits are available for all Holley marine carburetors. Each kit contains all parts and gaskets that are necessary to restore "like new" performance to your marine carburetor. Detailed instructions are included to guide you through the rebuilding process. Start off the season with a quality Holley Renew Kit. It's your guarantee for trouble free cruising. Holley has been the undisputed leader in fuel systems