Cometic 5.5X11.6X20.2X17.2 Viton Valve Stem Seals - Metal Jacket - 16 Pack

SKU: CGS3181V-16

Engine Valve Stem Oil Seals

CG Valve Stem Seals...

Cometic Gasket

Cometic 5.5X11.6X20.2X17.2 Viton Valve Stem Seals - Metal Jacket - 16 Pack

SKU: CGS3181V-16

Engine Valve Stem Oil Seals

CG Valve Stem Seals...

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

New age engine builds require new age valve stem seals and we have them! These viton steel body (VSB) seals are available for most applications ranging from automotive to off road dirt bikes.

Product Overview

Availbable for most applications ranging from automotive to off road dirt bikes. Valve stem seals are defined first by the actual measurement of the valve stem OD itself then by the guide OD. Proper seal height and width will be determined by valve spring clearance. Sold in packs of sixteen.

Features and Benefits

Valve Stem Seal

Product Details

Description:	5.5X11.6X20.2X17.2 Viton Valve Stem Seal Set
GuideOD:	11.6mm
Height:	20.2mm
Material:	Viton
OD:	17.2mm
Part Number:	cgs3181V-16
Prop 65 (C, R or CR):	CR
Prop 65 - Short Label:	Prop_65.jpg
Prop 65 Warning Label:	Prop_65.jpg
Prop 65 Yes/No:	Yes
StemOD:	5.5mm
Title:	Cometic Gasket Automotive 5.5X11.6X20.2X17.2 Viton Valve Stem Seals, Metal Jacket, 16 Pack
WARNING CA Proposition 65 Message:	The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov
WARNING CA Proposition 65:	Yes

Part Type

Engine Valve Stem Oil Seal

Data: v4.2 - Upd: 2026-10-14 00:07:17

Features

Valve Stem Seal

Specifications

Product Attributes - Brand: Cometic
Product Attributes - Manufacturer's Part Number: 3181V-16
Product Attributes - Part Type: Engine Valve Stem Oil Seals
Product Attributes - Product Line: Cometic Valve Stem Seals
Product Attributes - UPC: 00191070097523
Product Attributes - Valve Stem Diameter (in.): 0.217 in.
Product Attributes - Valve Stem Diameter (mm): 5.50mm
Product Attributes - Valve Stem Seal Type: Positive stop
Product Attributes - Valve Stem Seal Material: Viton®
Product Attributes - Machine Work Required: No
Product Attributes - Valve Guide Diameter (in.): 0.457 in.
Product Attributes - Valve Stem Seal Outside Diameter (in.): 0.677 in.
Product Attributes - Quantity: Sold as a set of 16.
Product Attributes - Notes: Metal jacket "Hat" style seals.

Reference Information

Brand Name/s	Cometic Gasket
StreetFX SKU	cgs3181V-16
SFX Item ID	4168773
Supplier Item Code	4168773
Manufacturer SKU	3181V-16
Manufacturer UPC	191070097523
Alternative References	CGT-3181V-16, 5.5X11.6X20.2X17.2