Engine Kits

Howard Cams Big Block Chevy Extreme Billet Main Caps
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Howard Cams Big Block Chevy Extreme Billet Main Caps



Part #: H454
List Price: $447.72
Our Price: $266.77
You Save: $180.95

Availability: In Stock



Main Cap Position   3-center
Main Cap Fastener Style   Straight
Main Cap Fastener Quantity   4-bolt
Main Cap Fasteners Included   No
Main Cap Material   Steel billet
Machine Work Required   Yes


Howards Cams extreme billet main caps are precision CNC-machined from superior-quality low-carbon 1020 billet material. They come available as stock replacements (straight bolt) or with splayed outer bolt holes. The splayed caps feature 10 degree angled outer holes to positively reinforce and tie the block together. These extreme main cap sets consist of the center three caps. Front and rear caps are also available. Use these caps together for the ultimate in bottom-end stress and flex management. Drill bushings are included with caps requiring them. Howards Cams main caps feature side notches for easy removal and are proudly 100 percent manufactured in the USA. Line boring is required after installation.

Brand Howards Cams
Machine Work Required Yes
Main Cap Fastener Quantity 4-bolt
Main Cap Fastener Style Straight
Main Cap Fasteners Included No
Main Cap Material Steel billet
Main Cap Position 3-center
Main Journal Type 454 mains
Part Type Main Caps
Product Line Howards Cams Extreme Billet Main Caps
Quantity Sold as a set of 3.