Tomei Camshaft Poncam/ Procam 4AG

Before you order: fitment and what to plan

The camshaft sets when each valve opens and how far. Its profile shapes how the engine makes power.

Fitment notes

Specs, lead time and warranty come from Tomei and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

Ask about fitment

Plan the whole job

Lifters. New lifters on a new cam, especially flat tappet.
Valve springs. Match springs to the cam lift.
Timing set. A fresh timing set keeps cam timing accurate.

More for your car: Camshafts · All Camshafts · Engine

Questions about camshaft

Will this fit my car?

Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.

Do I need new valve springs with a new cam?

If the cam has more lift than stock, matching springs are usually needed. Check the cam card from the brand.

Where do specs and warranty details come from?

From Tomei. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.