MOTORAD SX-3RBA Fuel Tank Gas Cap Storage Qp

( Brand: Motorad ), ( Manufacturer Part Number: SX-3RBA ), ( Type: Fuel Tank Cap ), ( Placement On Vehicle: Air Fuel Delivery Hardware Fasteners Fittings ), ( Item Width: 3.000 ), ( Item Height: 1.620 ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C717 45-48 ), ( Compatible Model: Grand Prix ), ( Compatible Year: 1964 1963 1962 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Motorad Fuel Tank Cap )

Review MOTORAD Fuel Tank Cap Pontiac Gas Delivery Storage Qp fits PRIX GRAND 1962–1964

The **Motorad SX-3RBA Fuel Tank Cap** is a meticulously crafted, high-performance replacement for the iconic 1962 1964 Pontiac Prix, designed to elevate both aesthetics and functionality while preserving the classic spirit of this legendary muscle car. Engineered from premium, durable materials, this cap features a sleek, aerodynamic design that seamlessly blends with the Prix s distinctive styling cues, ensuring a perfect fit under the hood. The cap is constructed from a robust, corrosion-resistant alloy, fortified with precision-machined threads and a secure locking mechanism to prevent accidental detachment during high-speed driving or aggressive cornering. Its polished chrome finish exudes a timeless elegance, complementing the Prix s vintage allure while offering superior durability against the elements, including road salt, UV exposure, and moisture. Beyond its visual appeal, the SX-3RBA cap incorporates an advanced fuel venting system, ensuring optimal airflow to the tank while minimizing vapor lock and fuel starvation under demanding driving conditions. Whether restoring an original Prix or customizing a modern replica, this cap delivers both authenticity and performance, making it an essential upgrade for enthusiasts seeking the perfect blend of heritage and high-quality engineering.

**Pros and Cons of Buying a Motorad SX-3RBA Fuel Tank Cap for a 1962-1964 Pontiac Prix Gas Storage (QP)**

The Motorad SX-3RBA fuel tank cap is a high-performance aftermarket part designed to enhance fuel efficiency, reduce vapor lock, and improve overall engine performance. Here are the key advantages:

1. **Improved Fuel Efficiency** The SX-3RBA cap features a **restrictorless design** with a **variable venting system**, which allows for better fuel vapor management. This reduces fuel waste and can lead to noticeable improvements in mileage, especially in older vehicles prone to vapor lock.

2. **Reduced Vapor Lock** Older Pontiacs, particularly those with carbureted engines, are susceptible to vapor lock in hot conditions. The SX-3RBA cap s **pressure-balanced design** helps prevent fuel vapor buildup, ensuring a steady fuel supply to the engine.

3. **Enhanced Engine Performance** By maintaining optimal fuel pressure and reducing vapor lock, the cap can contribute to **smoother throttle response** and **better acceleration**, particularly in high-performance or modified engines.

4. **Compatibility with Fuel Injection (if applicable)** While the 1962-1964 Pontiac Prix was primarily carbureted, some later models or aftermarket conversions may benefit from improved fuel system dynamics. The SX-3RBA s design is also used in fuel-injected applications, making it a versatile upgrade.

5. **Durability and Quality** Motorad is a well-regarded brand in performance aftermarket parts, known for **high-quality materials and precise engineering**. The SX-3RBA is built to last and is designed to withstand the stresses of high-performance driving.

6. **Easy Installation** The part is designed to **drop-in replace** the stock cap without requiring modifications to the fuel tank or lines. Installation typically involves only removing the old cap and securing the new one in place.

7. **Positive Community Feedback** Many owners of classic muscle cars and high-performance vehicles report **noticeable improvements in drivability** after installing the SX-3RBA, particularly in hot weather or at high elevations.

---

1. **Cost** As an aftermarket performance part, the SX-3RBA is **more expensive** than an OEM replacement cap. Depending on availability, prices can range from **$50 to $100**, which may be a significant investment for a single component, especially on a classic car where budget constraints are often a factor.

2. **Potential Overkill for Stock Engines** If the Pontiac Prix is running a **stock or mildly modified carbureted engine** with no performance upgrades, the benefits of the SX-3RBA may be **marginal**. The improvements in fuel efficiency and vapor lock reduction are more pronounced in **high-performance or modified engines**.

3. **Risk of Improper Installation** While the part is designed for easy installation, **incorrect sealing or misalignment** could lead to fuel leaks or improper venting. Ensuring a **proper seal** is crucial, and some users may need to adjust the cap s position slightly for a perfect fit.

4. **Limited Availability of OEM Parts** If the SX-3RBA does not perform as expected, finding an **OEM replacement cap** for a 1962-1964 Pontiac Prix may be difficult, as these vehicles are no longer in production. However, this is less of an issue with aftermarket parts, which are widely available.

5. **Mixed Results in Cold Weather** Some users report that the **restrictorless design** can cause **slightly slower fuel delivery in cold starts**, though this is usually minimal and not a major concern for most driving conditions.

6. **Potential for Aftermarket Incompatibility** If the vehicle has **aftermarket fuel lines, pumps, or modifications**, there is a small chance of **interference or improper venting**. However, the SX-3RBA is designed to work with most standard setups.

7. **No Guarantee of Fuel Economy Gains** While many users see improvements, **results vary** based on driving habits, engine condition, and other factors. Some may not notice a significant difference, especially if the vehicle already has a well-tuned fuel system.

---

The **Motorad SX-3RBA fuel tank cap** is a **highly effective upgrade** for a 1962-1964 Pontiac Prix, particularly if the vehicle is **modified, high-performance, or prone to vapor lock**. It offers **measurable improvements in fuel efficiency, drivability, and reliability**, especially in hot or high-altitude conditions. The part is **well-built, easy to install, and backed by a reputable brand**, making it a strong candidate for owners looking to enhance their vehicle s performance.

However, the **cost and potential overkill for stock engines** are valid considerations. If the Pontiac Prix is **not heavily modified**, the benefits may be **less noticeable**, and the investment might not be justified. Additionally, **proper installation is key** to avoid issues like leaks or improper venting.

For **enthusiasts who prioritize performance, reliability, and fuel efficiency**, the SX-3RBA is a **strong recommendation**. For those running a **stock or minimally modified vehicle**, the upgrade may not be essential, and a **high-quality OEM replacement cap** (if available) could suffice.

- The Pontiac Prix is **modified, high-performance, or frequently driven in hot/high-altitude conditions**.

- You experience **vapor lock, fuel waste, or inconsistent throttle response**.

- You are willing to invest in **performance upgrades** that offer **long-term benefits**.

- The vehicle is **stock or lightly modified** and runs reliably without issues.

- Budget constraints make the part **unaffordable** relative to other potential upgrades.

- You are unsure about **proper installation** and lack the tools or expertise to ensure a secure fit.

In most cases, **the SX-3RBA is a worthwhile addition** for anyone looking to **optimize their Pontiac Prix s fuel system and performance**. Pairing it with other performance parts (such as a high-flow fuel pump or upgraded carburetor) can further amplify its benefits.

Details:

MotoRad Fuel Tank Cap for 1962-1964 Pontiac Grand Prix Gas Delivery storage qp: Status: In Stock.

part #: sx3rba price

• $11.28

specifications fueltanksysteme:

• for models: Prix, Grand
• for makes: Pontiac
• for years: 1962-1964
• brand: Motorad
• mpn: Sx-3rba
• type: Fuel Tank Cap
• placement on vehicle: Air Fuel Delivery Hardware Fasteners Fittings
• item width: 3.000
• item height: 1.620
• manufacturer warranty: 1 Year
• ipn: C717 45-48
• compatible model: Grand Prix
• compatible year: 1964 1963 1962
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Motorad Fuel Tank Cap

shipping fueltanksysteme:

• transit: 5-8 Days
• type: Fixed
• class: Standard, Expedited
• cost: $0.00
• service: Standard, Expedited

offer fueltanksysteme:

• availability: In Stock
• quantity: 10
• options: Ship-to-home
• started: May 22, 2026
• sold: 0

general fueltanksysteme:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
• condition: New

returns fueltanksysteme:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

payments fueltanksysteme:

• other
• wallet: Google-pay
• credit card: Diners-club

seller fueltanksysteme:

• rating: 99.6%
• city: Indianapolis, Indiana
• # reviews: 659960

Motorad SX-3RBA Is Similar To:

• 2003-11 Motorad Heavy Duty Fuel Cap Nonlocking Un Thread 055644804125 (32.3% similar) Motorad part number our choice. Once purchased you own it. Or any other minor issue that does not make the part you are buying defective. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. Shipping:free shipping is for continental USA only. If any ...(November 3rd, 2018)
• 2504-11 Motorad Heavy Duty Fuel Cap With Lock (33.6% similar) Motorad heavy duty fuel cap with lock. This is new in open box...(April 4th, 2018)
• Mgc-793sk Motorad Dual Locking Fuel Cap Tanks Air Intake 055644107936 (38.7% similar) Motorad MGC-793SK dual locking fuel cap protects your from theft and vandalism passes all state federal emissions tests manufactured durable, long-life materials reduces air pollution with proper sealing venting independently tested for emission control deters vandalism. Specifically designed ...(June 16th, 2018)
• Mgc-807 Cst Motorad Mgc807 Fuel 055644008073 (24.6% similar) CST Motorad MGC807 fuel tank cap thumbnails to caps are designed and manufactured prevent loss, primarily through evaporation. Please through the messaging system by ing button above. Combining a inventory and showrooms full of parts provides us the advantage shipping products quickly efficiently. A...(January 23rd, 2018)
• Mgc-811 Cst Motorad Mgc811 Fuel 055644008110 (24.6% similar) Our product offering includes every conceivable trailer, tire, towing device, truck accessory, suspension, exhaust, lighting, and performance part. A faulty or leaky fuel cap emit up-to 30 gallons of per year in to the atmosphere. All of Motorad fuel caps meet federal MVSS301 and I m 240 ...(February 22nd, 2018)
• Mgc 832 Wd Express Motorad Fuel Tank Cap Fits Jaguar Vanden (40% similar) ...(October 27th, 2018)
• Mgc-837 Motorad Fuel Tank Cap Upc 055644008370 (36.4% similar) CHRYSLER1999-2017DODGE1999-2017FIAT2012--2017INFINI 002-2011JEEP2000-2017KIA2005-2017MAZDA2003-2015MERCEDES-BENZ2006-2017MITSUBISHI2001-2017NISSAN2000-2013PLYMOUTH1999-2001RAM2011-2017SUBARU2005-2017SUZUKI2009-2011VOLKSWAGEN2009-2014...(January 18th, 2019)
• Mgc46 Motorad Fuel Gas Tank Filler Cap Replace Oem (38.2% similar) Motorad MGC-46STANDARD fuel cap tank verify fitment before purchase...(April 18th, 2018)
• Mgc48 Motorad Pronto Fuel Tank Fits Pickup Suburban (42.3% similar) No other accessories included. See photos above. Fast shipping. Receive only what is pictured listed. Comes as shown...(February 17th, 2019)
• Mgc519 Motorad Push Vent Fuel Tank Cap Fits Volvo 055644115191 (39.2% similar) Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. and we urge you to take a look if cannot find what are looking for at egghead. Orders ship from 12 major metropolitan markets in the us. A ...(June 5th, 2019)
• Mgc637t Motorad Fuel Cap (29.1% similar) ...(January 1st, 2019)