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Holley

HOLLEY Power Valve Check Ball Kit

MPN: 125-500 Catalog #: 001508967 Category: Carburetor Power Valves And Components Check Vehicle Fitment

Product Details

Power Valve Saver - Check Ball - Drill Bit - Steel - Natural - Holley 2300 / 4150 / 4160 Carburetors - Kit

Power Valve Check Ball Kit; Fits w/Pre 1992 Model 2300/4150/4160 Carb; Incl. Spring/Brass Seat/Check Ball/Proper Drill Bit/Instructions;

Power valve blowout protection can now be added to pre €˜92 model 2300, 4150 and 4160 carburetors. Consisting of a spring, brass seat and check ball, this kit will effectively protect the power valve and is easy to install. Included is the proper drill bit size, with stop, to facilitate installation. Detailed instructions are included.

Fitment: Power valve blowout protection can now be added to pre 92 model 2300; 4150 and 4160 carburetors. Consisting of a spring; brass seat and check ball; this kit will effectively protect the power valve and is easy to install. Included is the proper drill bit size; with stop; to facilitate installation. Detailed instructions are included.

DETAILS:

Part Number 125-500 SPECS:

DETAILS:

  • Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
  • Carburetor Power Valve
  • Power Valve Check Ball Kit
  • Brass Seat
  • Check Ball
  • Detailed Instructions
  • Easy To Install
  • Proper Drill Bit Size w/Stop
  • Protects Power Valve
  • Spring
  • POWER VALVE CHECK BALL KIT
  • Power Valve

Part Number 125-500 SPECS:

  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • WARNING CA Proposition 65: Yes

Power valve blowout protection can now be added to pre ‘92 model 2300, 4150 and 4160 carburetors. Consisting of a spring, brass seat and check ball, this kit will effectively protect the power valve and is easy to install. Included is the proper drill bit size, with stop, to facilitate installation. Detailed instructions are included.

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
Holley
Part Number
125-500
Catalog Number
001508967
Product Line
Carburetor Power Valves and Components
Category
Fuel Delivery
Type
Carburetor Power Valves And Components
UPC / Barcode
090127123539
Length
3.80 in
Width
3.55 in
Height
2.80 in
Weight
0.09 lb
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 24 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.

Inventory shown: 24 available as of 6/3/2026.

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