COMP Cams Mercury Grand Marquis Parts

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A guide to choosing the right camshaft for your engine. See how to install a new LSR roller camshaft while upgrading valve springs and rocker trunnions.

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What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

Camshaft Specifications and Terminology

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Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!

G-Comp™ Buyer's Guide

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Here's a handy guide to familiarize you with our G-Comp line of performance suspension systems.

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