Holley Bolt-On Fill Cap Kits 241-230

Name: Holley Bolt-On Fill Cap Kits
Brand: Holley
SKU: HLY-241-230
Price: 94.05 USD
Availability: InStock
Rating: 5 (6 reviews)

5 out of 5 stars ( 6 )

Part Number: HLY-241-230

$94.05

Holley Bolt-On Fill Cap Kits

Fill Cap Kits, Bolt-on, 1.950 in. Cap Diameter, Billet Aluminum, Black Anodized, 1 1/2-12 Thread Size, 1.38 in. Diameter Opening, Kit
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Holley Bolt-On Fill Cap Kits 241-230

HLY-241-230

5 out of 5 stars ( 6 )

Part Number: HLY-241-230

Estimated Ship Date: Monday 10/19/2026

$94.05

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Overview

Brand:

Holley

Manufacturer's Part Number:

241-230

Part Type:

Fill Cap Kits

Product Line:

Holley Bolt-On Fill Cap Kits

Summit Racing Part Number:

HLY-241-230

UPC:

090127715192

Fill Cap Attachment Style:

Bolt-on

Cap Diameter (in.):

1.950 in.

Cap Thread Size:

1 1/2 in.-12

Cap Material:

Aluminum

Cap Color:

Black

Bung Material:

Aluminum

O-Rings Included:

Yes

Quantity:

Sold as a kit.

Notes:

Fill cap bung has 2.17 in. 4-bolt style. Opening is 1.38 in. diameter.

Holley Bolt-On Fill Cap Kits

Holley bolt-on fill cap kits allow you to put a fill cap or inspection plug anywhere they're needed. These particular kits make a great alternative to a stock fuel cell cap—or if you need a fill cap for that custom oil tank or valve covers you're building.

Holley bolt-on fill cap kit additional features include:

* CNC-machined from 6061 T-6 billet aluminum
* Bright black anodized finish for corrosion protection
* 2.17 in. 4-bolt style flange
* Cap features a laser-etched "Holley Equipped" logo
* Bolt-on fill cap with an O-ring seal (has 1.38 in. diameter opening)
* Easy-to-grip screw-on cap
* Thread 1 1/2 in.-12
* Stainless steel hardware included