BEYEA CUSTOM HEADERS SBC Modified Header 1-5/8in 604 Crate IDM-604-S1G

Name: Wheel Front Ltd. Liability Company
Price range: $

SKU: BEYIDM-604-S1G

🇺🇸 Always Express Shipping From USA

⏱️ Estimated Shipping: 1-3 days

🌍 Fast International Shipping Support

🤝 30-Day Backorder Guarantee: Full refund if we can't fulfill your order

🏅 Not Ready For Domestic Shipping In 72 Hours, 100% Refund

Original price was: $505.81.Current price is: $459.83.

In stock

3 in stock

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Categories: Exhaust, Headers, Manifolds and Components Tags: Exhaust, Headers, Manifolds and Components

Product information

Weight	34 lbs
Dimensions	36 × 20.25 × 11.5 in
Product Line	IMCA Modified
Length	Full
Flange Thickness	0.3125 in
Primary Diameter 1	1.625 in
Primary Diameter 2	1.75 in
Collector Diameter	2.75 in
Gaskets Included	Yes
Material	Steel
Color	Black
Finish	Paint
Quantity	Pair
Brand	BEYEA CUSTOM HEADERS
Type	Headers
Condition	New
Manufacturer Part Number (MPN)	IDM-604-S1G

Description

Headers - IMICA / UMP Dirt Modified - 1.625 to 1.75 in Primary - 2.75 in Collector - Gaskets Included - Steel - Black Paint - Small Block Chevy - Pair BMS , Elite, GRT, Hoffman, Quick, SSR, TDR , TRC. This part is designed and intended for installation in Ancient (Model Year 1974 or earlier), or Competition, or Racing Vehicles. Competition or Racing Vehicles may be operated exclusively in 1) events organized by recognized bodies with authorizing permits for participating drivers. 2) racing event qualification, and 3) practice associated with events. Installation and operation of this part in a non-Ancient street driven Vehicle, including driving Competition or Racing Vehicles to the racetrack, is likely to be considered illegal ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂTampering ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ or a ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂDefeat Device

Features

Wheel Front is the USA Automotive Authorized Retailer
High-Performance Automotive Parts
100% Legit Auto Parts From USA
100% Satisfaction Guarantee
Low Price and Vehicle Fitment Guarantee
Inventory Monitoring Guarantee

Description

Description

Headers – IMICA / UMP Dirt Modified – 1.625 to 1.75 in Primary – 2.75 in Collector – Gaskets Included – Steel – Black Paint – Small Block Chevy – Pair
BMS , Elite, GRT, Hoffman, Quick, SSR, TDR , TRC. This part is designed and intended for installation in Ancient (Model Year 1974 or earlier), or Competition, or Racing Vehicles. Competition or Racing Vehicles may be operated exclusively in 1) events organized by recognized bodies with authorizing permits for participating drivers. 2) racing event qualification, and 3) practice associated with events. Installation and operation of this part in a non-Ancient street driven Vehicle, including driving Competition or Racing Vehicles to the racetrack, is likely to be considered illegal ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂTampering ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ or a ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂDefeat Device

Why Choose Us?

Frequently Asked Questions

What sets Wheel Front Shop apart from the rest?

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.

How fast do we process backorders for auto parts?

We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 10-14 days. Shop with Confidence Commitment: If we cannot fulfill your backorder within 30 days, Wheel Front will issue a full refund—no hidden fees, no hassle, and no questions asked. Because your trust matters, we're committed to making every purchase simple, transparent, and worry-free.

Why Choose Our International Shipping?

We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.

How long does shipping take?

Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%

Can I track my order?

Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.

Do you have my product in stock?

Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.

My goods arrived damaged, what should I do?

We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.

How do I return an order?

You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

Global Shipping Estimates (Ships from USA)

Destination Region	Est. Delivery Time	Estimated Cost
🇨🇦 Canada	5 - 7 Days DHL UPS USPS FedEx	From $50.00 USD
🇪🇺 European Countries	5 - 7 Days DHL UPS USPS FedEx	From $70.00 USD
🇦🇺 Australia	5 - 7 Days DHL UPS USPS FedEx	From $110.00 USD
🇦🇪 United Arab Emirates	5 - 7 Days DHL UPS USPS FedEx	From $100.00 USD
🇸🇦 Saudi Arabia	5 - 7 Days DHL UPS USPS FedEx	From $100.00 USD
🇯🇵 Asia Countries	5 - 7 Days DHL UPS USPS FedEx	From $130.00 USD

*Note: These are estimated costs for a standard package. Exact shipping fees will be calculated at checkout using live rates based on your specific location and cart weight. International shipping is not available for engines, hazardous auto parts, and pressurized components.

About BEYEA CUSTOM HEADERS

Beyea develops headers and exhaust components for circle track racing. Each header or exhaust set up has been tried and tested. Beyea headers and exhaust systems are used by many of the top Modified and Late Model race teams and engine builders across the U.S.