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COMP Cams

COMP Cams Valve Seal 11/32in O Ring

MPN: 501-1 Catalog #: 001106809 Category: Tools Check Vehicle Fitment

Product Details

Fits: 11/32 Valve Stems - OE-Size Valve Guides (.400 Outer Diameter)Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guidesUse standard o-ring Seal retainer and oil splash shieldRequires no machining.

PTFE, Seal, Valve Guide, Valve Guide Seal, Valve Stem Seal, Valve Seals, 5/16 Valve Seals, 11/32 Valve Seals, .530 Valve Seal, Umbrella, O-Ring Seals, Viton Seals, 8 mm Seals

GM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, Camaro, Silverado, LS Swap, 383, 350, SBC, Chevelle, Yukon, L92, LM7, 325, GMC, Trailblazer, Corvette, GM LS, GEN III, GEN 3, GEN IV, GEN 4, DOD, AFM, VVT, BTR, Texas Speed

The COMP lifter bore grooving tool cuts a groove into the lifter bore which ensures pressurized oil is fed between the lifter and camshaft. Developed by NASCAR engine builders, this tool reduces camshaft and lifter wear.

Lifter Bore Grooving Kit w/ .842" and .875" Tools

Lifter Bore Grooving Kit .842 and .875

COMP Cams Grooving ToolS Lifter Bore

Engine Block Drill Jig

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - LSMatched variant: LS

GM Gen III/IV V8; LS1/LS2/LS3/LS6/LS7/LS9/LSA/LSX

GM - SBCMatched variant: SBC

Small Block Chevy; 265–400ci

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
COMP Cams
Part Number
501-1
Catalog Number
001106809
Product Line
Comp Cams Valve Seals
Category
Fab, Tools & Shop Equipment
Type
Tools
UPC / Barcode
036584058410
Vendor Product Category
Tools
Vendor Product Subcategory
Tools
Length
8.00 in
Width
3.00 in
Height
2.00 in
Weight
1.70 lb
Units Per SKU
1
Freight / LTL
No
Air Restricted
No
Prop 65
Y
CARB Approved
Yes
Clearance Item
No

Shipping & Availability

Current status 1 Available - Ready to ship
Estimated timing Ships from factory

This item is showing manufacturer availability and may ship directly from the manufacturer. Tracking details are provided as soon as they become available. ETA 0-5 Days to ship.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 1 available as of 6/3/2026.

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