Small OD 3/8" Umbrella Seals, all Black NYLON

GM UMBRELLA SEALS, 3/8"

SB Chevy Truck Engines w/ 3/8" Stem exhaust valves

Package of 8 seals.

These seals are manufactured from all Black Nylon.

This type of seal was used by GM on their heavy duty SBC truck engines running 3/8" stem exhaust valves.

Can also be used as an universal 3/8" umbrella seal providing adequate clearances exist.

     Specification Data:

• Fits: 3/8" Valve Stems.
• Inside Diameter, smallest point: .605”
• Inside Diameter, widest point: .635"
• Outside Diameter: .715"
• Height: .450” Tall
• Seal Material: Poly Acrylic
• Material Temp Rating: 375F
• Seal Type: Umbrella
• Number of seals included in purchase: Eight
• Valve seal protector sleeve included? No- can not use w/ this type of seal.