Login for Access to Member Pricing

COMP Cams

COMP Cams Grooving Tool .842 Diameterter

MPN: 5003cpg Catalog #: 001594026 Category: Tools Check Vehicle Fitment

Product Details

Grooving Tool - Lifter Bore - 0.009-0.012 in Groove - 0.842 in Bore - Steel - Kit

Developed by one of the top NASCAR engine builders, this innovative tool precisely grooves the lifter bore to ensure the pressure fed oil is directly injected into the contact area between lifter and camshaft. This increased oiling significantly reduces wear on the camshaft and lifters and decreases the risk of premature failure during break-in. This machine operations to the block is quick, easy, inexpensive and is the best insurance for a new cam

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. For .842 bores.

.842 Diameter for Standard Chevrolet ; Complete with grooving tool, cutter and handle; Carbide cutter available separately; Engine must be disassembled to use this tool; Cuts groove from .009 to .012

Lifter Bore Grooving Tool for .842 Lifter Bores

COMP Cams Grooving Tool .842 Diameterter

.842 Lifter Bore Grooving Tool

Engine Block Drill Jig

CldrHd ResurfMachine

None

Vehicle Fitment

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

Product Specs

Brand
COMP Cams
Part Number
5003cpg
Catalog Number
001594026
Product Line
Tools
Category
Fab, Tools & Shop Equipment
Type
Tools
UPC / Barcode
036584048466
Vendor Product Category
Tools
Vendor Product Subcategory
Tools
Length
12.70 in
Width
3.70 in
Height
1.65 in
Weight
0.82 lb
Units Per SKU
1
Freight / LTL
No
Ship Alone
No
Air Restricted
No
Prop 65
Y
CARB Approved
Yes
Clearance Item
No

Shipping & Availability

Current status 1 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

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 6/4/2026.

Reviews & Questions

Real product feedback when available, plus quick ways to get fitment or product help.

Ask a Question
Need fitment help? Send us your year, make, model, engine, and the part number.
Already bought it? Reviews help other LMPerformance customers choose the right part.
Product question? We can help with specs, shipping, availability, and install details.

Other Popular Tools

$210.63
^