COMP Cams GMC S15 Engine Parts

Picking the right camshaft can be a challenge. Use our camshaft selection guide to learn how to select the right cam for your street rod's best performance.

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.

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.

Derek kicks off his 55 Chevy rebuild with a fresh small block.

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Speedway Motors announced today the introduction of a new IMCA Modified Spec Racing Engine as they kick off the 2025 race season along with discounts Jan. 27-Feb. 2 to help their customers get ready for race season.

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

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

Greg walks step by step through priming your engine.