- Increased Flow
The Edelbrock #9643 exhaust valves are engineered to enhance engine performance for Chrysler Big-Block applications. Crafted from stainless steel with swirl-polished surfaces, these 1-piece valves feature hardened tips and undercut stems to promote increased airflow and improved efficiency. The valves measure approximately 1.81 inches in length and are designed to fit specific cylinder heads, including Edelbrock #60929 and #60189, ensuring precise compatibility. Hard-chromed stems, approximately 11/32 inches in diameter, add durability and resistance to wear, making them suitable for high-performance engine rebuilds and upgrades.
The overall length of these valves is about 4.928 inches, providing the proper fit for targeted engine configurations. Sold as a set of eight, they are ideal for enthusiasts seeking to optimize exhaust flow and engine power in Chrysler Big-Block 383 (6.3L), 400 (6.6L), RB-Series 413 (6.8L), 426 (7.0L), and 440 (7.2L) engines. Designed with quality and performance in mind, these valves contribute to better combustion and overall engine efficiency. Whether refurbishing a classic muscle car or upgrading your high-performance engine, the Edelbrock #9643 exhaust valves are a reliable choice for professional mechanics and hobbyists alike.
Features:
- Made from swirl-polished stainless steel for durability and performance
- Hardened tip design to withstand high temperatures and wear
- Undercut stems increase airflow for improved engine efficiency
- Hard-chromed stems ensure longevity and resistance to corrosion
- Designed to fit Edelbrock cylinder heads #60929 and #60189
- Overall length approximately 4.928 inches for precise fit
- Sold as a set of 8 valves suitable for various Chrysler Big-Block engines
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- prop_65:
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- part_type:
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- epa:
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- carb_acknowledgement_required:
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- units_per_sku:
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