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Top Street Performance

Chrome Steel 4 3/16" Y-Top Valve Cover Fastener with 5/16"-18 Thread

Chrome Steel 4 3/16" Y-Top Valve Cover Fastener with 5/16"-18 Thread

SKU: SKU: SP7501

Regular price $6.00
Sale price $6.00 Regular price $6.60
Shipping calculated at checkout.

Out of stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Y-top pull-apart design separates for easier install in tight-clearance spots
  • 5/16"-18 thread fits Pontiac & Ford Big Block valve cover applications
  • Chrome steel construction for a clean, classic engine bay look
  • 4-3/16" overall length fits standard valve cover hold-down clearance

Description

Secure your Pontiac or Ford Big Block valve cover with this chrome steel Y-top pull-apart wing nut fastener, sized for a 5/16"-18 thread — less common than the 1/4"-20 thread used on many small block applications, so verify your valve cover's fastener thread size before ordering.

The pull-apart design separates into two pieces — letting you thread the lower section into place first, then attach the Y-top for hand-tightening — which can make installation easier in tight-clearance spots than a one-piece fastener. This is a single fastener, 4-3/16" overall length with a 1" thread length — sold individually, so confirm how many you need per valve cover before ordering. Washers and hold-down tabs are not included.


Applications
Fits 5/16"-18 thread valve cover applications, commonly used on Pontiac V8 and Ford Big Block V8 valve covers.

Installation
The pull-apart design separates into two pieces, so you can thread the lower section into place first, then attach the Y-top for hand-tightening — useful in tight-clearance installs. Verify your valve cover's fastener thread size before ordering — 5/16"-18 is less common than 1/4"-20 on many small block applications. Washers and hold-down tabs are not included.

Specs

Fastener StyleWing Nut
Fastener MaterialSteel
Fastener FinishChrome
Fastener Nut StyleY-Top Pull-Apart
Overall Length4 3/16"
Thread Length1"
Thread Size5/16"-18
WashersNot Included
Hold-Down TabsNot Included
QuantitySingle

Engine Fitment

COMPATIBLE WITH
5/16"-18 thread valve cover fastener — commonly used on Pontiac V8 and Ford Big Block V8 valve covers

NOTES
• Steel construction, chrome finish, Y-top pull-apart wing nut style, 4-3/16" overall length, 1" thread length, 5/16"-18 thread.
• Sold as a single unit — confirm quantity needed per valve cover before ordering.
• Washers and hold-down tabs not included.
• Verify your valve cover's fastener thread size before ordering, since 5/16"-18 is less common than 1/4"-20 on many small block applications.

COMMON VEHICLE APPLICATIONS
Pontiac V8 valve cover applications
Ford Big Block V8 valve cover applications

Q&A

Will this fit my Pontiac 400 valve cover?

Yes, provided your Pontiac valve cover uses a 5/16"-18 hold-down thread. Verify your existing hardware before ordering.

What does "pull-apart" mean for this fastener?
The fastener separates into two pieces: a lower threaded section that installs into the valve cover first and a Y-top that attaches afterward. This can make installation easier in areas with limited clearance.

Will this fit a Small Block Chevy valve cover?
Only if the valve cover uses a 5/16"-18 thread. Many Small Block Chevy applications use 1/4"-20 hardware, which is not compatible with this fastener.

How many of these do I need for one valve cover?
This fastener is sold individually, not as a set. Count your valve cover's hold-down points to determine the quantity needed.

Does this come with washers or hold-down tabs?
No. Washers and hold-down tabs are not included.

What thread size is this fastener?
5/16"-18 with a 1" thread length.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.