This 4 piece set is made from billet aluminum an comes with o-rings for a tight seal.
Fits Enlger 2.50" injectors that have a stack diameter of 2.650".
Wash plug diameter is 2.632".
Comes with nylon carrying pouch.
WARNING: These products may contain a chemical known to the state of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.