COMP Cams Positive Stop Valve Stem Seal - 5/16 in Valve Stem - 0.530 in Guide - Steel Body / Viton - Set of 16 516-16 9411CD A custom tune is not

A custom tune is not required as this CAI system was engineered and tested specifically for this application ensuring MAF signal performance matches factory settings

Our dB systems have a straight-through design that is engineered to provide maximum flow and minimum restriction

390g Cartridge

2003-2003 Mercury Marauder

Sold in rolls of 100

COMP Cams Positive Stop Valve Stem Seal - 5/16 in Valve Stem - 0.530 in Guide - Steel Body / Viton - Set of 16 516-16 9411CD A custom tune is notProviding the best sealing properties and spring clearance, Viton valve seals are an excellent choice in performance applications. The 516 seals have a . 675" OD and fit applications with 5 16" valves and . 530" OD guides. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the