The Mastodon 600cfm vacuum secondary carb SA (Part #1112BK) is the ideal choice for street rods, muscle cars, and light trucks using small to mid-sized V8 engines. This carburetor delivers reliable performance, excellent throttle response, and improved fuel economy compared to oversized or outdated stock units. The 600 CFM rating is perfectly sized for many street applications, offering the right balance between peak horsepower and low-end drivability. Consequently, it is a popular choice for builders who prioritize smooth performance.
Vacuum Secondary Design for Street ability The key feature of the Mastodon 1112BK is its vacuum secondary design. Furthermore, vacuum secondaries only open fully when the engine truly needs the additional airflow, based on engine load and RPM. This automatic, demand-based operation eliminates the bogging and stumbling often associated with mechanical secondary carburetors on street-driven vehicles. Therefore, this Mastodon 600cfm vacuum secondary carb SA provides smooth acceleration and helps optimize fuel economy during everyday driving.
Performance Features and Finish Mastodon builds this carburetor with precision and durability in mind. The sleek black finish (BK) not only adds a stealthy, custom look to your engine bay but also provides excellent corrosion resistance. Key performance features typically include dual-feed fuel inlets, easily changeable primary metering jets, and an electric choke for fast, reliable cold starting. This unit offers a significant, reliable performance upgrade right out of the box.
Why Choose the Mastodon 600 CFM Carburetor in South Africa? If you are upgrading your street engine in South Africa, including right here in Alberton, you need an air/fuel delivery system that is both high-performing and easy to tune. This Mastodon 600cfm vacuum secondary carb SA offers that balance. Ultimately, choosing Mastodon ensures reliability and proven performance. We offer fast and reliable nationwide delivery across South Africa from Alberton, Gauteng!
Key Features:
- Part Number 1112BK: Black finish, 600 CFM rating.
- 600 CFM: Ideal sizing for small to mid-sized street V8 engines.
- Vacuum Secondaries: Provides smooth, demand-based secondary opening for excellent street manners.
- Electric Choke: Ensures reliable cold starts.
- Black Finish: Durable coating for a custom look and corrosion resistance.
- Dual-Feed Inlets: Ensures consistent fuel supply under high load.
- Easy Tuning: Accessible metering blocks and jets for straightforward adjustment.
Specifications:
- Brand: Mastodon
- Part Number: 1112BK
- CFM: 600
- Bore Type: Square Bore
- Choke: Electric
- Secondary Type: Vacuum
- Finish: Black
Frequently Asked Questions:
- What is the best engine size for a 600 CFM carburetor? Typically, a 600 CFM carburetor works best on V8 engines ranging from 302 ci (5.0L) to around 350 ci (5.7L) that spend most of their time below 6,000 RPM.
- What is the benefit of vacuum secondaries? Vacuum secondaries prevent the engine from being over-carbureted at low RPM, as they only open when engine vacuum (demand) is high. Therefore, they are highly recommended for street-driven vehicles.
- Do you ship carburetors nationwide in South Africa? Yes, absolutely, we offer fast and reliable delivery of fuel system components throughout South Africa from our location in Alberton, Gauteng.

