Supertech P6-SU8920-N18 forged pistons Subaru Outback, Legacy, Tribeca EZ30D 89.20 mm CR 8.5:1

  • Supertech P6-SU8920-N18 forged pistons Subaru Outback, Legacy, Tribeca EZ30D 89.20 mm CR 8.5:1
  • Supertech P6-SU8920-N18 forged pistons Subaru Outback, Legacy, Tribeca EZ30D 89.20 mm CR 8.5:1
Producer: Supertech
Product code: SUP P6-SU8920-N18
Warranty: No warranty
1 133,59 EUR
1 100,19 EUR
/ set
Before we process the order with this product, the prepayment in the amount of 550,09 EUR may be required. Detailed information will be provided in the order summary, before its placement.

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For: Subaru Outback, Legacy, Tribeca with 3.0 H6 EZ30D engines

Set of piston with pins, locks and rings.

Supertech engineers have more than 40 years of experience in the design and production of racing pistons. We utilize the latest in CAD software & Finite Element Analysis (FAE) which enables us to design a strong, light weight and high performance piston. We offer our high performance pistons for just about every application. If you don’t find what you are looking for we can build you a custom piston specific to your requirements.

Manufacturing

Supertech pistons are manufactured in Argentina with technology transferred from European manufacturers. All of our pistons are manufactured to ensure the highest durability while recognizing the utmost performance improvements. 

Our pistons are manufactured from extruded high silicon, enhanced 4032 alloy (with additional Cu, Ni & Mg) that has low thermal expansion and features excellent wear resistance. Additionally, the inclusion of enhanced 4032 alloy offers a much higher thermal conductivity. Using this alloy our Supertech pistons have withstood up to 42psi of turbo boost with alcohol, without any problems. 

Depending on the type of piston we have either a 2 or 3 step forging process that yields a fine structural grain orienting the fibers in the same direction of the stress. Combine this with several heat treatments and our pistons feature an evenly distributed hardness and extremely high tensile strength. From there each Supertech piston goes through several machining steps specifically designed to ensure dimensional precision, perpendicularity and flatness of the ring grooves. 

All of our pistons feature reduction grooves, honed and reamed pin bores for the most precise fit, while our wrist pins are constructed of cold extruded chrome moly steel for high strength to be used with wire clip locks.

Surface finish

Supertech takes great pride in what we call our pistons surface finish. This finish is our "phosphate dry lubricant" coating that is applied to protect the rings against "micro welding" and enhance lubrication on the skirt/cylinder area. 

Our Piston rings are manufactured in Japan with the latest technology for high performance applications. We have quality control in place at every step of the manufacturing process in a climate controlled environment to ensure reliability of dimensions.

Tech specs:
Producer:
Supertech
Bore:
89.20 mm
Comression ratio:
8.5:1
Pin diameter:
22 mm (0.866")
Skirt:
Full round
Weight:
321 g
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No warranty
No warranty
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