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COMP Cams

COMP Cams Stud Girdle Adj Nut3/8

MPN: 4509-16 Catalog #: 001109132 Category: Lifters Check Vehicle Fitment

Product Details

With a 2.000 overall length, this adjusting nut set is designed for 3/8 rockers with a stud girdle. Comes with snap rings.

Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications. The Stud girdle polylocks are precision ground for minimum runout and tapered for extra strength in the locking area.

With a 2.000" overall length, this adjusting nut set is designed for 3/8" rockers with a stud girdle. Comes with snap rings.

COMP Cams Stud Girdle Adjusting Nuts for Roller Rockers Arms for 3/8" Stud

Stud Girdle Adjusting Nut Set of 12 for 3/8" Stud w/ (4) 4509S Snap Rings

Girdle Adj Nut Set 3/8" 4509S Snap Rings

Engine Rocker Arm Adjusting Screw

COMP Cams Stud Girdle Adj Nut3/8

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
4509-16
Catalog Number
001109132
Product Line
Comp Cams Adjustable Nuts
Category
Engines & Parts
Type
Lifters
UPC / Barcode
036584390251
Vendor Product Category
Engine Components
Vendor Product Subcategory
Lifters
Length
4.10 in
Width
2.90 in
Height
2.15 in
Weight
2.52 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 10 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: 10 available as of 6/3/2026.

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