Description
Product Overview
Zyxaxis presents a premium replacement bolt set engineered for Chevrolet Gen 1 & 2 small block engines (265‑400) and big block engines (396‑502). Each bolt is clear zinc coated to prevent rust and corrosion, meeting AS9100D and ISO 9001:2015 aerospace standards. The kit includes four 3/8-16×3″ flanges, four 3/8-16×3.5″ flanges, and four 3/8″ thick washers, all precision‑machined for a perfect fit.
Usage
Designed for engine rebuilds, performance upgrades, and routine maintenance, these bolts perform reliably in high‑temperature automotive environments. Ideal for mechanics, hobbyists, and professional racers seeking dependable fasteners for both small and big block Chevrolet engines. 
Why Choose Us
Zyxaxis manufactures parts that fly at 30,000 feet for Boeing and the US Military, where failure is not an option. This aerospace heritage translates to automotive components that deliver unmatched strength, consistency, and corrosion resistance. Every bolt undergoes rigorous quality checks to ensure it meets exact specifications.
Key Features
- Clear zinc coating for superior rust protection
- Includes flanges and thick washers for complete installation
- Compatible with a full range of Chevrolet small and big block engines
- Aerospace‑grade manufacturing standards ensure durability
- Package dimensions compact for easy storage and handling
FAQ
What engine sizes are compatible?
The set fits Chevrolet Gen 1 & 2 small block engines from 265 to 400 cubic inches and big block engines from 396 to 502 cubic inches.
Are the bolts pre‑threaded?
Yes, each bolt is pre‑threaded to 3/8-16 pitch, ready for immediate installation.
How does the zinc coating compare to other finishes?
The clear zinc coating provides excellent corrosion resistance while maintaining the bolt’s strength, outperforming standard black oxide finishes.
Can I use these bolts for performance upgrades?
Absolutely. Their high tensile strength and precise tolerances make them ideal for both stock rebuilds and high‑performance applications.
What is the warranty on this product?
Zyxaxis offers a limited one‑year warranty covering manufacturing defects, reflecting confidence in the product’s quality.
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