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- Rocker Arms
Product Description


519-CRA2234M

About NICHE
NICHE specializes in the highest quality Powersports replacement parts. Our parts meet or exceed the quality of the original parts that come with your machine. Some of the NICHE product categories include cylinders, brake pads, axles, off-road mirrors, and drive chains. Let NICHE components fix your machine today!
NICHE Rocker Arm 519-CRA2234M
- Includes: NICHE Rocker Arm
- Compatible with the following brands: Polaris
- Compatible with the following models: ATP 330, 500 HO; Big Boss 500; Hawkeye 400 HO; LUH 500; Magnum 325,330 ,330,425,425,425,500; Ranger 400 HO,425,500,500,500;Ranger Crew 500; Scrambler 500; Sportsman 335,400 HO,400,450,500 6X6,500 HO LTD,500 HO,500,550 EPS, HO,X2 500 DLX,X2 500; Trail Blazer 330, Boss 325 SE, Boss 325, Boss 330; Worker 335, 500; Xpedition 325, 425; Xplorer 500
- Replaces for the following OEM MPN's: 3084910

NICHE Rocker Arm
A rocker arm is a mechanical linkage inside a engine responsible for driving the movement of the intake and exhaust valves when the camshaft is in motion. When the camshaft is in motion the rocker arm will lower one of its to sides to allow both fuel and air to flow throughout the engine.
Some Types of Rocker Arms:
- Stamped Steel Rocker Arms are the most common. They use a basic nut with a rounded bottom to hold the pivot of the rocker arm in place.
- Full Roller Rocker Arms replace the pivot with bearings. They do not use the same rounded nut. The bearings are bolted in place and allow the rocker to pivot.
- End Pivot Rocker Arms have their pivot located at the ends of the rocker arms. The camshaft is instead mounted in the center to push the ends.
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