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Howards Cams Extreme Billet Main Caps: Chevy 2-Bolt to 4-Bolt 454 Main Journal (H454)
If you're looking to upgrade your Chevy 454's performance, the Howards Cams Extreme Billet Main Caps are a fantastic choice. These main caps are designed to convert your 2-bolt setup to a more robust 4-bolt configuration, providing enhanced stability and strength to your engine's bottom end.
Key Features
- Precision CNC Machined: Crafted from high-quality low carbon 1020 billet material, these caps ensure a perfect fit and superior durability.
- Versatile Options: Choose between stock replacement (straight bolt) or splayed outer bolt holes. The splayed caps feature 10-degree angled outer holes that reinforce and tie the block together for added strength.
- Comprehensive Set: The main cap set consists of the center three caps, with front and rear caps available separately for a complete upgrade.
- Easy Installation: Designed with side notches for hassle-free removal, and drill bushings are included for caps that require them.
- Proudly Made in the USA: Each cap is manufactured with care and precision right here in the United States.
Benefits
Upgrading to the Howards Cams Extreme Billet Main Caps not only enhances the structural integrity of your engine but also improves its ability to handle increased stress and flex. This is particularly beneficial for those pushing their engines to higher performance levels or using them in competitive settings.
Specifications
- Material: Low carbon 1020 billet
- Fitment: Chevy 454 (2-bolt to 4-bolt conversion)
- Line Boring: Required after installation for optimal fit
Popular Fitments
- Chevy 454 SS
- Chevy K2500 with 454 engine
- Chevy C3500 with 454 engine
- Chevy Impala SS with 454 engine
Customer Reviews
Customers have praised the Howards Cams Extreme Billet Main Caps for their exceptional quality and performance. Many have noted the ease of installation and the noticeable improvement in engine stability. Users appreciate the robust construction and the peace of mind that comes with using American-made products.
With the Howards Cams Extreme Billet Main Caps, you're investing in a product that not only enhances your engine's performance but also stands the test of time. Upgrade your Chevy 454 today and experience the difference!
⚠ 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 | $251.33 |
| Shipping |
Weight: 11.20 Length: 13 Width: 4 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 | $212.99 | $319.48 | $304.27 | ? | ? | 2025-06-27 06:05:00 |
