COMP Cams Street Valve Spring Retainers

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.

The camshaft is the heart of your engine, choose the wrong one and you’re leaving power on the table

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.

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.

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.

Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

It may feel like a daunting task attempting to determine the best leaf spring for your traditional hot rod straight axle build, but our buyer's guide will surely help.

Incorporating a Model A rear cross member and a high arc stock spring into a roadster build.