Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
The Edelbrock Performer Rpm 454-O Street Cylinder Heads Are Oval Port Heads That Will Support Over 540 Hp With 9. 5: 1 Compression When Used As Part Of The Total Power Package. These Street High-Performance Heads Provide Out-Of-The-Box, Bolt-On Performance With No Additional Porting Required. They Offer Improved Power Throughout The Rpm Range For Great Throttle Response And Top-End Horsepower . The Intake And Exhaust Runners Are Cnc-Profiled For Superior Flow And Performance. This Unique Intake Port Design Produces Flow, Close To Rectangular Port Heads, But With The Smaller Port Size And Velocity Of An Oval Port For Excellent Seat-Of-The-Pants Performance And Crisp Throttle Response. The Semi-Open Chamber Design Maximizes Combustion Efficiency With Streetable Compression Ratios. The Stainless Steel 2. 19' Intake And 1. 88' Exhaust Valves Have Smaller-Than-Stock 11/32' Valve Stems To Promote Excellent Flow And Lighter Valve Weight. The Deck Surface And Water Jackets Were Specially Designed To Work With All Big-Block Engine Blocks. The Heads Include Top-Quality Arp Rocker Studs, Bronze Guides And Hardened, Ductile Iron Valve Seats.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What makes the Edelbrock 60459 Performer RPM Cylinder Head suitable for high-performance applications?A: The Edelbrock Performer RPM 60459 Cylinder Head is designed for high-performance applications with features like a 110cc combustion chamber, 290cc intake runner, and the ability to support over 540 HP at 9.5:1 compression. Its oval port design enhances airflow, providing improved power and throttle response across the RPM range.
Q: Are these cylinder heads compatible with all big-block engines?A: Yes, the Edelbrock Performer RPM Cylinder Heads are engineered to fit all big-block engine blocks, ensuring compatibility and optimal performance. However, it's important to verify specific engine requirements and configurations before installation.
Q: Do I need to port these cylinder heads for better performance?A: No, these cylinder heads are designed for out-of-the-box performance with no additional porting required. The CNC-profiled intake and exhaust runners provide superior flow and efficiency, allowing you to achieve high performance right after installation.
Q: What type of valve stems do these cylinder heads use?A: The Edelbrock 60459 Cylinder Heads feature smaller-than-stock 11/32" valve stems for the stainless steel intake and exhaust valves. This design promotes excellent airflow and contributes to lighter valve weight, enhancing overall engine performance.
Q: How does the semi-open chamber design benefit engine performance?A: The semi-open chamber design of the Edelbrock Performer RPM Cylinder Heads maximizes combustion efficiency, allowing for streetable compression ratios. This design leads to better fuel efficiency and improved power delivery, making it an ideal choice for street and performance applications.
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