---
product_id: 170511161
title: "VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL)"
brand: "billet proof designs"
price: "$79"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/170511161-vented-or-non-vented-motorcycle-polished-aluminum-gas-fuel-tank
store_origin: NZ
region: New Zealand
---

# Temp Range -35°F to +250°F Dual Buna-N O-Rings Included 6061 Billet Aluminum Precision VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL)

**Brand:** billet proof designs
**Price:** $79
**Availability:** ✅ In Stock

## Summary

> 🏍️ Elevate your ride with precision-crafted shine and unbeatable durability!

## Quick Answers

- **What is this?** VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL) by billet proof designs
- **How much does it cost?** $79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/170511161-vented-or-non-vented-motorcycle-polished-aluminum-gas-fuel-tank)

## Best For

- billet proof designs enthusiasts

## Why This Product

- Trusted billet proof designs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Stepped bung design fits perfectly into a 1" hole, making welding onto aluminum tanks a breeze.
- • **Proudly Made in the USA:** Crafted with domestic materials ensuring top-tier quality and supporting local craftsmanship.
- • **Mirror-Polished Precision:** Machined from premium 6061 billet aluminum for a flawless, high-shine finish that turns heads.
- • **Versatile Venting Options:** Includes both vented and non-vented caps to customize airflow and performance for your ride.
- • **Built to Endure Extreme Conditions:** Buna-N O-rings rated A70 hardness withstand temperatures from -35°F to 250°F without compromise.

## Overview

This polished aluminum motorcycle gas tank cap, crafted from 6061 billet aluminum, offers a sleek mirror finish and a stepped bung for easy welding onto aluminum tanks. It includes both vented and non-vented options with durable Buna-N O-rings rated for extreme temperatures, making it a perfect upgrade for Harley, chopper, bobber, and cafe racer enthusiasts seeking quality and style made in the USA.

## Description

VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL)

## Features

- Billet aluminum cap easily welds to an ALUMINUM tank.
- Knurled Cap - Machined from 6061 Billet Aluminum and polished to a mirror finish.
- ALUMINUM Bung - Machined from 6061 Billet ALUMINUM and stepped to make welding a breeze. Just drill a 1" hole and drop it in.
- (2) 1/8" Buna-N O-Rings - ONE VENTED and ONE NON-VENTED INCLUDED - Temperature range -35 to +250 F. Durometer hardness is A70.
- Made in the USA using domestic materials.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Billet Proof Designs |
| Color | Silver |
| Material | Aluminum |
| Exterior Finish | Aluminum |
| Vehicle Service Type | Motorcycle |
| Style | Modern |
| Item Weight | 0.09 Kilograms |
| Automotive Fit Type | Universal Fit |
| Manufacturer | Billet Proof Designs |
| Item Weight | 3.2 ounces |
| Package Dimensions | 7 x 4.5 x 1.3 inches |
| Item model number | AL_GAS_CAP_ALUM |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | AL_GAS_CAP_ALUM_AMA |

## Product Details

- **Brand:** Billet Proof Designs
- **Color:** Silver
- **Material:** Aluminum
- **Exterior Finish:** Aluminum
- **Vehicle Service Type:** Motorcycle

## Images

![VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL) - Image 1](https://m.media-amazon.com/images/I/41A+okq1ARL.jpg)
![VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL) - Image 2](https://m.media-amazon.com/images/I/41RXCyYquvL.jpg)
![VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL) - Image 3](https://m.media-amazon.com/images/I/41TrI7NEmpL.jpg)
![VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL) - Image 4](https://m.media-amazon.com/images/I/41LICleZpAL.jpg)
![VENTED or NON-VENTED Motorcycle Polished Aluminum Gas/Fuel Tank Cap - ALUMINUM Stepped Bung FOR ALUMINUM TANKS ONLY - Harley Chopper Bobber Cafe Racer (ALAL) - Image 5](https://m.media-amazon.com/images/I/41s53Gfi4NL.jpg)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-26*