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Howards Cams Ultimate Duty Valve Seals 93311 Stem Seals, Positive Stop, 11/32 in. Stem, .500 in. Guide Diameter, .630 in. O.D., Set of 16

Howards Cams Ultimate Duty Valve Seals 93311 Stem Seals, Positive Stop, 11/32 in. Stem, .500 in. Guide Diameter, .630 in. O.D., Set of 16

A$22.60
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

Howards Cams Ultimate Duty premium PC-type seals are made of a space-age material that is tolerant to pump gas, alcohol, and nitromethane. Temperature-tolerant to 350 degrees, they are self-lubricating and offer controlled radial tension during changes in operating temperatures. Howards Cams Ultimate Duty valve seals are color-coded and control oil while lubricating the valve guide.

Additional features include:

* Space-age DuPont fluoro-polymer material
* Design allows for very small amount of oil for guide/stem lubrication
* Install with fingers

Part Type

Valve Seals - 11/32 x .500 - PC Type w/o Glue

Data: v4.2 - Upd: 2026-10-23 20:07:00

Specifications

Product Attributes - Brand
Howards Cams
Product Attributes - Manufacturer's Part Number
93311
Product Attributes - Part Type
Engine Valve Stem Oil Seals
Product Attributes - Product Line
Howards Cams Ultimate Duty Valve Seals
Product Attributes - UPC
840793121823
Product Attributes - Valve Stem Diameter (in.)
0.344 in.
Product Attributes - Valve Stem Diameter (mm)
8.74mm
Product Attributes - Valve Stem Seal Type
Positive stop
Product Attributes - Valve Stem Seal Material
Dupont fluoroelastomer
Product Attributes - Machine Work Required
Yes
Product Attributes - Valve Guide Diameter (in.)
0.500 in.
Product Attributes - Valve Stem Seal Outside Diameter (in.)
0.630 in.
Product Attributes - Quantity
Sold as a set of 16.
Product Attributes - Notes
Requires machining the top of the valve guide with a special .500 in. diameter cutter.

Reference Information

Brand Name/s Howards Cams
StreetFX SKU hrs93311
SFX Item ID 5097515
Supplier Item Code 5097515
Manufacturer SKU 93311
Manufacturer UPC 840793121823
Alternative References HRC93311

Compatibility

Application Data
  • UniversalYes

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