Rocker Arm
Your Professional Rocker Arm Supplier！
Kingko Industrial Co., Ltd was established in 2015, located in Suzhou, China(near Shanghai). We specialize in full range of spare parts exporting. Product: Engine, Electricity or Electronics, Body and Accessories, Drivetrain, Braking System, Steering System, Material and Equipment, Universal Parts, etc.
Why Choose Us
Professional Team
Our Team have been working in this field for over 8 years. After years of development, the company has created a wealth of experience in sales and after-sales service team,and has established an outstanding reputation among customers.
Our Certifications
We have our own factories and warehouses, All our factories are certified by ISO9001 and TS16949, some are OEM manufacturers.
Sales Market
Our customers are from all over the world, including customers from Europe, South America, Africa, South Asia, etc.
A rocker arm is a lever in an engine's valve train that transfers motion from the camshaft to the engine valves, opening and closing them to regulate airflow. It acts as a pivot, converting the rotational motion of the camshaft into the linear motion needed to operate the valves.
Product Specification
We provide the following product specifications：
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OEM # |
8-94102416-0 |
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Engine Application |
Isuzu 4ZD1 Diesel/4ZE1 Diesel |
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Vehicle Fit |
Faster 2 (KB) series 1985–1988 Faster 3 (TF) series 1988–1997 Impulse 1 (JR) series 1988–1990 MU 1 (UC) series 1989–1998 Trooper 1 (UB1) series 1986–1991 Wizard 1 (UC) series 1989–1998 Honda Passport 1 (C58) series 1993–1997 SsangYong Korando Family series 1991–1994 |
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Place of Origin |
China |
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Price Terms |
FOB |
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Minimum Order |
5 PCS |
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Delivery Estimation |
15 days |
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Standard Package Info |
Inner Box Size: Carton Size: Gross Weight: |
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Delivery port |
Shanghai |
Types of Rocker Arms
Stamped steel rocker arms are the most common type in many standard engines. They are made by stamping a piece of steel into the desired shape. These rocker arms are durable and cost-effective, making them popular for everyday vehicles.
Roller rocker arms are a step up in terms of performance. They feature a small roller bearing at the point of contact with the valve, which reduces friction and wear. This makes them ideal for high-performance engines where reducing friction is crucial for maximizing power and efficiency.
Shaft rocker arms are typically used in high-performance and racing engines. Unlike other types, they are mounted on a shaft, providing more stability and precise movement. This design reduces flexing and allows for higher RPMs, making them perfect for engines that operate under extreme conditions.
Function Features of Rocker Arm
Valve Actuation
The primary function of rocker arms is to actuate the engine's valves. They transfer the rotational motion of the camshaft into the linear motion required to open and close the intake and exhaust valves. This precise control of valve timing is crucial for the engine's four-stroke cycle (intake, compression, power, and exhaust).
Motion Amplification
Rocker arms act as levers, amplifying the motion from the camshaft. The camshaft's lobes provide a certain amount of lift, but the rocker arm's design can increase this lift at the valve. This amplification allows for greater valve opening, which can improve engine breathing and overall performance.
Mechanical Advantage
By functioning as a lever, the rocker arm provides a mechanical advantage. This means it can apply greater force to open the valve than is applied to it by the camshaft, making the valve train system more efficient.
Valve Timing Precision
Rocker arms ensure that valves open and close at exactly the right moments in the engine cycle. This precise timing is critical for optimal engine performance, fuel efficiency, and emissions control.
Clearance Adjustment
Clearance Adjustment In many engines, rocker arms incorporate adjustment mechanisms to maintain proper valve clearance. This can be in the form of an adjusting screw or hydraulic lifter, allowing for consistent valve operation as the engine wears over time.
Load Distribution
Rocker arms help distribute the load from the camshaft across a larger area of the valve stem, reducing wear and extending the lifespan of both the valves and the valve seats.
Noise Reduction
Well-designed and properly adjusted rocker arms contribute to quieter engine operation by ensuring smooth valve actuation and minimizing metal-to-metal contact.
Performance Tuning
In performance applications, different rocker arm designs (such as varying the rocker ratio) can be used to alter valve lift and duration, allowing for engine tuning without changing the camshaft.
Oil Distribution
In many engines, rocker arms play a role in oil distribution. Oil often flows through or around the rocker arms, helping to lubricate the valve train components.
Customization Process
Requirement Discussion: Contact us and provide your design drawings, size specifications, and other technical parameters.
Design Proposal: Our professional team will develop a design proposal and provide a quotation based on your requirements.
Sample Production: We produce samples according to the design proposal and conduct rigorous testing.
Mass Production: Upon your approval, we commence mass production to ensure timely delivery and consistent quality.
After-Sales Service: We offer ongoing technical support and service to ensure the long-term stable operation of our products.
FAQ
As one of the leading rocker arm suppliers in China, we warmly welcome you to wholesale cheap rocker arm in stock here from our factory. All customized products are with high quality and low price. For free sample, contact us now.
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