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Vivid Racing Gear 
Howards Cams Extreme Billet Main Caps for Chevy 4-Bolt 350
If you're looking to boost the stability and reliability of your Chevy 350 engine, the Howards Cams Extreme Billet Main Caps are a fantastic choice. Designed specifically for the Chevy 4-Bolt 350 Main Journal (model H350R-1), these caps are precision CNC machined from high-quality low carbon 1020 billet material. Whether you're going for a stock replacement or need something a little more robust, these caps have you covered.
Key Features
- Durable Construction: Made from superior quality low carbon 1020 billet material, ensuring long-lasting performance.
- Versatile Options: Available as a straight bolt replacement or with splayed outer bolt holes for enhanced support.
- Smart Design: Splayed caps feature 10-degree angled outer holes that reinforce the block and improve structural integrity.
- Easy Installation: Side notches allow for straightforward removal when needed.
- Complete Set: The main cap set includes the center three caps, with front and rear caps available separately.
- Made in the USA: Proudly manufactured in the United States, ensuring top-notch quality.
Benefits of Using Howards Cams Main Caps
These main caps are designed to manage bottom-end stress and flex, making them ideal for high-performance applications. By using these caps together with the front and rear options, you can maximize the structural integrity of your engine, which is crucial for maintaining performance under pressure.
Specifications
- Part Number: H350R-1
- Material: Low carbon 1020 billet
- Fitment: Chevy 4-Bolt 350 Main Journal
- Drill Bushings: Included where necessary
Popular Fitments
- Chevrolet Camaro (1967-1969)
- Chevrolet Corvette (1968-1982)
- Chevrolet Chevelle (1964-1972)
- Chevrolet Silverado (1975-1987)
Customer Reviews
Customers have praised the Howards Cams Extreme Billet Main Caps for their exceptional quality and performance. Many have noted that the installation process is straightforward, especially with the included drill bushings. Users appreciate the added peace of mind that comes from knowing their engine is well-supported, particularly in high-stress situations.
In summary, if you're serious about your Chevy 350's performance and durability, the Howards Cams Extreme Billet Main Caps are a smart investment. With their robust construction and thoughtful design, these caps are sure to keep your engine running strong.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Howards Cams is an aftermarket company that Howards Johansen founded in 1945. It started as Howards Power & Racing Equipment and specialized in manufacturing high-performance racing cams for the automotive market. Even after turning the business over their oldest son, the company remained one of the best cam manufacturers in the industry.
Maximizing Their Racing ExperienceThe company has always used it is on-track experience to create powerful cam profile designs. It is why they have become one of the favorite brands of many top fuel dragster racers and drivers from other racing disciplines such as road racing, mudd bogging, marine racing, and circle track racing.
Advanced Manufacturing TechniqueHowards Cams uses the most advanced computer design software to create the most competitive product out there. They offer a wide range of performance parts from camshafts, connecting rods, crankshafts, billet main caps, and forged pistons. All of these are made in the USA to ensure consistent quality.
Purchase Howards Cams Products At Vivid RacingIf you are in the market for high-performance parts for your engine, then look no further as Howard Cams is the brand for you. They have all the parts you need to create a fast machine and is trusted by many racers and enthusiast worldwide. If being on the top podium is your dream, then upgrade your engine with Howard Cams parts.
To know more about the company, visit Vivid Racing and check out their list of products that fit your specific needs.
| Sale price | None |
| Wholesale price | $99.38 |
| Shipping |
Weight: 2.00 Length: 7 Width: 5 Height: 3 |
| Product Added At | Wednesday 10 April, 2019 |
| Product Modified At | Friday 27 June, 2025 |
| Imported By | ETLOverride |
| Last Edited By | vendordata@vividracing.com |
| View In Admin |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Howards Cams | $84.22 | $126.33 | $120.31 | ? | ? | 2025-06-27 06:05:00 |
