Silicone High Pressure Nipple Block Off Cap, 5/16" Inside Diameter (ID)

These high quality automotive silicone nipple caps are designed for plugging off unused nipples and are fast and convenient to use.

Features:

• 5/16" or 8mm Inside Diameter (ID)
• Good to Over 600 Degrees Fahrenheit
• Designed to Handle Boost & Pressure
• Compatible with Oil & Coolant
• 3mm Wall Thickness
• Available in Black Only

Please Note: Available in additional sizes here.