fits make: Chevrolet. year: 1959-86.

( Brand: Edelbrock Performance Products ), ( Manufacturer Part Number: E4643 ), ( Part Type: Block ), ( UPC: 085347046430 )
The Edelbrock Performer RPM Series E-4643 Intake Manifold is a high-performance intake solution designed for 1959 to 1986 Chevrolet small-block engines. This intake manifold stands out due to its unique tall design, enhancing the engine's overall aesthetic appeal while delivering improved airflow and combustion efficiency.
Crafted from high-quality aluminum, the E-4643 intake manifold boasts a robust construction capable of withstanding the rigors of high-performance applications. The tall design of this intake manifold raises the runners, which increases the velocity of the incoming air charge. This, in turn, aids in improved engine breathing and subsequent power output.
The E-4643 intake features rectangular runners with smooth, polished bores. This shape allows for better flow distribution for increased engine performance. Additionally, it minimizes turbulence for a smoother airflow and enhanced combustion efficiency. The intake manifold also comes with check valves that help ensure proper fuel distribution to each cylinder, assuring reliable and consistent engine operation.
A unique feature of the E-4643 intake is that it is designed to work with Edelbrock's Performer RPM, RPM Xtreme, and AVS Series carburetors, offering versatility to suit various driving needs. Furthermore, the intake's open design layout allows for a more straightforward installation process, making it an excellent choice for automotive enthusiasts seeking to upgrade their small-block Chevy engine with an easily installable, high-performance intake manifold.
In summary, the Edelbrock Performer RPM Series E-4643 Intake Manifold is a top-tier high-performance intake solution catering to 1959 to 1986 Chevrolet small-block engines. With its tall design, robust construction, and innovative features, this intake manifold not only improves your engine's performance but also adds a touch of style to your classic vehicle.
The Edelbrock Performer RPM Series E-4643 Aluminum Cylinder Head is a popular choice among performance enthusiasts seeking to upgrade their 1959-1986 Chevrolet small block engines. below are the pros and cons of this cylinder head:
Pros:1. Enhanced Performance: The Edelbrock Performer Series cylinder head is designed to increase horsepower and torque for your Chevrolet small block engine. These gains are largely due to the head's increased flow rates, large exhaust ports, and high-performance intake ports.
2. Durability: The head is made of high-strength aluminum, which makes it lighter than its cast iron counterpart and helps to dissipate heat more effectively. Additionally, the head comes with oversized valves and heavy duty valve springs for reliable operation under high-performance conditions.
3. Improved Cylinder Head Flow: The Edelbrock Performer RPM Series cylinder head features large and high-flowing intake and exhaust ports. These enhancements help to improve the air and fuel flow into and out of the engine, leading to better combustion and increased power.
4. Easy Installation: Installing the Edelbrock Performer RPM Series cylinder head is relatively straightforward. The head comes with a self-contained hydraulic roller camshaft and lifters, which simplify the installation process and eliminate the need for additional accessories.
5. Enhanced Appearance: The polished finish of the Edelbrock Performer RPM Series cylinder head adds a touch of sophistication and style to your engine bay.
Cons:1. cost: The Edelbrock Performer RPM Series cylinder head is more expensive than a cast iron factory replacement cylinder head.
2. Customization: The Edelbrock Performer RPM Series cylinder head is not easily customizable, unlike some other aftermarket heads. For example, it comes with factory valve locations, which limits the range of valve angles and sizes that can be used.
3. Requires Tuning: Installing a high-performance cylinder head like the Edelbrock Performer RPM Series requires careful tuning to ensure optimal performance and fuel efficiency. This may involve additional expenses related to dyno tuning, fuel system upgrades, and ignition system tuning.
Conclusion:The Edelbrock Performer RPM Series E-4643 Aluminum Cylinder Head offers several advantages for Chevrolet small block engines, including enhanced performance, increased durability, improved cylinder head flow, easy installation, and a polished appearance. However, it comes with a higher price tag than a factory replacement head, and installing it requires careful tuning. Ultimately, if your goal is to maximize performance and power from your Chevrolet small block engine, the Edelbrock Performer RPM Series cylinder head is an excellent investment. If you're on a budget or looking for more customization options, there may be other alternatives to consider.
Recommendation:If you're looking to upgrade the performance of your 1959-1986 Chevrolet small block engine, the Edelbrock Performer RPM Series E-4643 Aluminum Cylinder Head is a great choice. Its high-flowing intake and exhaust ports, lightweight aluminum construction, and self-contained hydraulic roller camshaft make it an ideal option for boosting power and durability. Just be prepared for the investment required, including additional expenses related to tuning and customization if desired.
Low profile valve covers clear AC and alternator brackets. Rubber grommets for the breather and PCV holes are included. 1959-86 Chevrolet Small Block Black Edelbrock Signature Series Tall Profile Valve Covers: These quality baffled valve covers accept all emissions equipment including PCV. Matching breathers are sold separately.Important: all valve cove Er's 1-1/4 taller than stock and clear most roller rockers valve train components except stud girdles.