Rally Road Universal Fuel Pump Installation Sleeve, BMW E46 M3 valve springs which will lead to carbon

which will lead to carbon build-up on the intake valves

and to prevent against any corrosion

The FHST is the best solution in preventing fuel starvation

5150 bearings offer long-lasting

Rally Road Universal Fuel Pump Installation Sleeve, BMW E46 M3 valve springs which will lead to carbonThis adapter sleeve and clamp simplifies the installation of the larger base Walbro 400, 450, 485, 525 and 535 fuel pump into the factory fuel pump housing and carrier. Included is an all stainless steel mil spec hose clamp to secure the fuel pump. The sleeve simply slides over the pump until it bottoms out on the base and then you tighten the clamp to secure it in place. Pump is then positioned correctly in your fuel pump hanger by the locator ring