Moroso Performance Aluminum Pipe Plugs Features: Use On Most Aftermarket Aluminum Blocks Replace Plugs Removed/Damaged During Machining w/3/8 in. Hex Socket Drive Two Per Package Height: 0.63 Width: 3.75 Length: 5.00 Weight: 0.08 lbs Fitment: UNIVERSAL 0 - 0 NON APPLICATION SPECIFIC