1) Fits Chevy, Ford, And Mopar Valve Cover With 1 1/4" Hole.

2) Finned Polished Aluminum Valve Cover PCV Valve Breather.

3) Highly Polished Heavy Large Billet Aluminum PCV Valve Breather.

4) Measures: 4" Long x 2 1/4" Wide x 2" Tall.

5) 1" Tube For 1 1/4" Holes In Valve Covers.

6) These Are Extremely Tight Fit Into Valve Covers, Use A Little Oil When Installing. 

7) Tight Fit Ensures The PCV Will Not Turn Or Come Out When The Engine Runs.

8) PCV Valve Is Replaceable With A C-Clamp and Common In Local Auto Parts Stores.

9) Package Includes: As Shown In Our Pictures.

This Item Doesn't Come With Installation Guides. We Highly Recommend Professional Installation.