RIVERA PRIMO INC RE-900 Intake Manifolds Clamps Nos Inc.

( Brand: Rivera Primo Inc ), ( Manufacturer Part Number: RE-900 ), ( Part Type: Intake Manifold Clamp ), ( Color: Silver ), ( Material: Chrome ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Compatible Year: 1984, 1983, 1982, 1981 )

Review RIVERA PRIMO INC Inc. Intake Manifolds Chrome Clamps Harley Davidson Nos fits SHOVELHEAD

The **Rivera Primo RE-900 Intake Manifold Clamps** are a meticulously engineered, high-performance upgrade designed exclusively for Harley-Davidson s legendary **Shovelhead** engines, particularly those equipped with **NO-S (No-Spark) or NOS (Nitrous Oxide) systems**. These precision-machined clamps are crafted from **7075-T6 aluminum**, a material renowned for its exceptional strength-to-weight ratio, ensuring durability under extreme conditions while minimizing unnecessary weight. Unlike stock clamps, which are often prone to warping or loosening under high boost pressures, the RE-900 clamps feature a **unique, bolt-through design** that distributes stress evenly across the manifold, preventing deformation and maintaining a secure seal even at peak nitrous-assisted performance levels. The clamps are **fully compatible** with both the **stock Shovelhead intake manifold** and aftermarket alternatives, including those from brands like **Rivera, Edelbrock, and others**, making them a versatile solution for builders seeking a reliable, high-flow connection between the throttle body and intake runner. Engineered with **O-ring grooves** for a leak-proof fit, these clamps eliminate the risk of vacuum leaks that can compromise throttle response or fuel delivery, particularly under aggressive driving conditions. The **smooth, polished finish** not only enhances aesthetics but also reduces the potential for debris buildup, ensuring long-term reliability. Whether you're running a **stock NOS system, a custom-built nitrous setup, or simply upgrading for improved airflow**, the Rivera Primo RE-900 clamps deliver the precision, strength, and performance required to handle the demands of a high-output Shovelhead engine. Built to withstand **boost pressures up to 30 psi** and beyond, these clamps are a must-have for serious builders looking to optimize power delivery while maintaining structural integrity.

**Pros and Cons of Buying Rivera Primo RE-900 Intake Manifold Clamps for a Harley-Davidson Shovelhead NOS**

The Rivera Primo RE-900 intake manifold clamps are designed specifically for the Harley-Davidson Shovelhead engine, which is a key advantage. Their precision engineering ensures a proper fit, reducing the risk of leaks or misalignment that can occur with aftermarket parts that aren t tailored to the engine s exact specifications.

These clamps are made from high-quality materials, likely stainless steel or a similar durable alloy, which enhances their longevity and resistance to corrosion. This is particularly important for a Shovelhead, which is often exposed to varying weather conditions and road salt, especially in colder climates.

The RE-900 clamps are designed to provide a secure and airtight seal, improving engine performance by ensuring optimal airflow. Properly sealed intake manifolds prevent vacuum leaks, which can cause rough idling, reduced power, and increased emissions. This can lead to better throttle response and overall engine efficiency.

Installation of these clamps is relatively straightforward, thanks to their design and the fact that they are intended for a specific application. This can save time and labor costs compared to custom-fabricated solutions.

The Rivera Primo brand is known for producing high-quality aftermarket parts for Harley-Davidson engines, which adds credibility to the product. Buyers can trust that the clamps meet industry standards and are built to last.

One potential downside is the cost. While Rivera Primo parts are generally high-quality, they may be more expensive than generic or lesser-known brands. For budget-conscious buyers, this could be a significant consideration, especially if the clamps are being purchased as part of a larger restoration or upgrade project.

Another consideration is availability. Depending on the region, these clamps may not be as widely stocked as more common aftermarket parts. This could require ordering online, which may involve shipping delays or additional costs.

While the clamps are designed for NOS (Near Original Specifications) Shovelheads, there is always a risk of compatibility issues if the engine has been previously modified or if there are unique variations in the intake manifold or surrounding components. Buyers should carefully inspect their engine and consult with a mechanic or experienced Shovelhead enthusiast to ensure compatibility.

Some buyers may prefer to use original or reproduction parts for a more authentic look, especially if the Shovelhead is being restored to its original condition. While the Rivera Primo clamps are functional and high-quality, they may not have the same aesthetic appeal as OEM or reproduction components.

The Rivera Primo RE-900 intake manifold clamps are a solid choice for Shovelhead owners looking to improve the reliability and performance of their engine. Their precision fit, durability, and focus on sealing effectiveness make them a worthwhile investment for those prioritizing function and longevity. However, the higher cost and potential availability issues may deter some buyers, particularly those on a tight budget or seeking original parts for aesthetic reasons.

If your primary goal is to ensure a secure and leak-free intake manifold setup for your Shovelhead NOS, the Rivera Primo RE-900 clamps are highly recommended. They strike a balance between quality, performance, and compatibility, making them a practical choice for both restorers and enthusiasts who want to maintain or enhance their engine s performance. However, if budget is a major concern or if you prefer original parts for authenticity, you may want to explore alternative options or consult with a specialist to determine the best fit for your specific needs. Always verify compatibility with your engine s current condition before purchasing.

Details:

They fit 81-84 Shovelhead with O-ring heads, and may other years as well. ID#: 26158, BIN 0202. Packaging has some dirt and wear from storage but is unopened. In original package.

We combine shipping on multi-item orders. Primo Rivera Intake Manifolds With Chrome Clamps Harley Davidson Shovelhead, New, Old Stock.

part #: re900 price

• $23.99

specifications intakefuelmotorcycle:

• for models: Shovelhead
• for makes: Harley, Davidson
• brand: Rivera Primo Inc
• mpn: Re-900
• part type: Intake Manifold Clamp
• color: Silver
• material: Chrome
• universal fitment: No
• vintage part: Yes
• compatible year: 1984, 1983, 1982, 1981

returns intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: February 22, 2026
• availability: In Stock

payments intakefuelmotorcycle:

• credit card: Diners-club
• other
• wallet: Paypal

shipping intakefuelmotorcycle:

• cost: $6.83
• type: Calculated
• carrier: USPS
• class: Standard
• transit: 3-5 Days
• service: USPS Ground Advantage

seller intakefuelmotorcycle:

• city: Barronett, Wisconsin
• rating: 99.9%
• # reviews: 3593

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: New other see details

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