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Big Bore Dome 18cc 9 Degree

Discover the Big Bore Dome 18cc 9 Degree from MODQUAD, a billet high-performance head designed to elevate your off-road vehicle's power and efficiency. Crafted with precision from high-quality materials, this high-performance dome head ensures optimal cooling and coolant capacity, making it an essential upgrade for serious riders seeking durability and enhanced performance.

Overview of Big Bore Dome 18cc 9 Degree

The Big Bore Dome 18cc 9 Degree head is machined with a flow-thru design that maximizes cooling, ensuring your vehicle runs smoothly even under demanding conditions. Its construction from 6061 aluminum, polished to a mirror finish, not only provides aesthetic appeal but also guarantees longevity and resistance to the rigors of off-road riding. The head utilizes the stock cylinder head studs for ease of installation and compatibility, making it a practical choice for enhancing your vehicle’s performance.

Key Features of Big Bore Dome 18cc 9 Degree

Machined with a flow-thru design for optimum cooling—helps prevent overheating during intense off-road sessions.
Flow-thru design also increases coolant capacity—improves thermal regulation for sustained performance.
Utilizes the stock cylinder head studs—ensures straightforward installation with existing hardware.
Machined from 6061 aluminum and polished to a mirror finish—offers durability, corrosion resistance, and a premium look.
Will accept the NOSS or Pro Design dome—provides flexibility for different performance setups.

Why Choose Big Bore Dome 18cc 9 Degree

This billet high-performance head stands out for its superior engineering and quality construction, ensuring reliable and consistent performance on all your off-road adventures. Its advanced cooling design and use of durable aluminum material make it a long-lasting upgrade that helps unlock additional horsepower and efficiency. Easy to install, it’s the ideal choice for riders looking to maximize their vehicle’s potential with a trusted brand, MODQUAD.

Frequently Asked Questions (FAQs)

Q: Will this head fit my vehicle?

A: This head is designed for specific models, primarily off-road vehicles requiring high-performance heads. Please check compatibility with your vehicle’s specifications before purchase.

Q: Does this head require additional modifications to install?

A: No, it utilizes the stock cylinder head studs and is designed for straightforward installation without major modifications.

Q: Can I use this head with my existing dome or performance parts?

A: Yes, it will accept the NOSS or Pro Design dome, allowing you to customize your setup for maximum performance.

What Customers Are Saying

Customers rave about the MODQUAD Big Bore Dome 18cc 9 Degree for its excellent cooling capabilities and solid build quality. Many users report noticeable improvements in power and reliability during off-road rides, especially in hot conditions. Its polished finish and compatibility with popular domes make it a favorite among enthusiasts looking to upgrade their high-performance engines with confidence.

Optimize Your Experience with Accessories

Pair this high-performance head with upgraded pistons, high-flow carburetors, or performance exhaust systems to further enhance your vehicle’s power and efficiency. Adding these accessories creates a comprehensive upgrade package, giving you better acceleration, higher top speeds, and improved durability on challenging terrains.

Get Yours Today

Order now to enjoy quick shipping, dedicated customer support, and availability of this top-tier billet high-performance head. Unlock your vehicle’s potential and dominate every off-road trail with MODQUAD!

Customers Also Searched For:

Off-road vehicle performance upgrades
Polished billet high-performance heads
Off-road engine cooling solutions
High-performance ATV head upgrades
MODQUAD high-performance parts
UTV replacement heads

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MODQUAD

BIG BORE DOME 18CC 9 DEG

SKU 28-41884

$74.95

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Why Buy from R1 Industries?

We’re not just a parts store — we ride, race, and build UTVs every day. Trusted by thousands of off-roaders, we’re your go-to source for real-world tested gear.

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QUESTIONS & ANSWERS

How long does it take for my order to arrive?

What is your return policy?

How do I know if a part will fit my specific UTV make and model?

How long does it take for my order to arrive?

Shipping times vary depending on your location and shipping method selected during checkout. Standard shipping typically takes 5-7 business days, while expedited shipping can take 1-3 business days.

What is your return policy?

Returns are only accepted if Redo Package Protection was purchased at checkout, which includes a 14-day return window, free shipping, and no restocking fees. Exchanges are allowed with or without Redo, though non-Redo exchanges are subject to fees and shipping costs. All items must be unused, in original packaging, and meet strict resellable condition standards to qualify.

How do I know if a part will fit my specific UTV make and model?

Great question—fitment is everything when it comes to performance and safety. Every product page on our site includes a “Will this fit my machine?” section with detailed compatibility info. If you’re still unsure, give our team a call at 801-899-2520 or email support@r1industriesoffroad.com—we’ll confirm fitment before you buy, so you get exactly what you need the first time.

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What happens if my order is damaged during shipping?

What if I need to return something but didn’t buy Redo Package Protection?

How can I start a return?

Please navigate to our Returns Portal and enter your order number and zip code. Follow the instructions on the screen to request a prepaid return label.

What happens if my order is damaged during shipping?

If you added Redo Package Protection at checkout, you’re fully covered! Redo handles lost, stolen, or damaged packages with zero hassle—just file a claim through the link in your Redo confirmation email. If you didn’t purchase Redo, reach out to us at 801-899-2520 and we’ll do our best to help, but we strongly recommend protecting your order with Redo for full peace of mind.

What if I need to return something but didn’t buy Redo Package Protection?

Without Redo, all sales are final and returns aren’t accepted—no exceptions. However, we do offer exchanges for qualifying items within 14 days of delivery, though fees and shipping both ways will apply. If you’re unsure about an item, we recommend reaching out before you buy—we’re here to help you get it right the first time.

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