Fits 04 - 09 Nissan Infiniti Armada Titan QX56 5.6 L VK56DE # P649
Set Includes: • Piston pin 1PCS
• Piston Ring 4PCS
• piston 8PCS
2004-2009 INFINITI, QX56 5.6L 5552CC VK56DE DOHC 32V V8
2005-2009 NISSAN ARMADA 5.6L 5552CC VK56DE DOHC 32V V8
2008-2009 NISSAN PATHFINDER 5.6L 5552CC VK56DE DOHC 32V V8
2004 NISSAN PATHFINDER 5.6L 5552CC VK56DE DOHC 32V V8
2004-2009 NISSAN TITAN 5.6L 5552CC VK56DE DOHC 32V V8
The operational safety and durability of a repaired engine depends
primarily on the used pistons and the mechanic's quality of work.
When repairing the engine, all the necessary conditions must be
created to ensure the high quality pistons can become fully
effective. For this reason, installation of Maojia Industry’s
pistons during engine repair work already starts with preparation
or reconditioning of the engine to be repaired. All our pistons are
supplied ready to install together with the relevant piston rings,
piston pins and pin retainers. Maojia Industry always supplies
pistons complete with piston rings, piston pins and the associated
piston pin circlips.
What is a piston
The pistons are one of the most important parts of an engine,
because they are the mechanisms that contains the engines energy.
The pistons are located in the cylinder block. The number of
cylinders in an engine can vary.
Inside the cylinder a mixture of fuel and air is injected through
the intake valve. Pressure in the cylinder is created when the
piston returns to the top of the cylinder from its previous cycle.
When the pressure is greatest the spark plug, located at the top of
the cylinder, ignites the gas and causes an explosion. The piston
is the sent downward extremely fast. The energy travels through the
Connecting Rod, which is connected to the bottom of the piston, and
the linear motion is converted to rotational motion through the
crankshaft. The crankshaft is connected to the transmission, so
when the crankshaft turns, the wheels turn also.
Pistons critical quality
Pistons come in many different materials and sizes that are based
on the cylinder bore of the particular motor they are being
installed in. Using the proper pistons is very important to get the
proper fit in your engine block, as well as maintain the proper
compression ratio. If unsure of which pistons should be used with
what particular coatings for your engine application, be sure to
ask and talk to your engine builder or machine shop.
Maojia Industry’s pistons advantages
1. Years of OEM experience in China and market acceptance.
2. High quality material and superior aluminum.
3. Specification perfectly match different engine
4. Surface coating and treatment can meet world wide customer
5. Experienced engineers and technical team.
6. Advanced manufacturing equipment, R&D software and test
7. 100% tested for size and performance before shipment.