SKU: 28303290804

Forged piston and rings set 83.5mm VW 9A 2.0L 16V

$314.95 $349.95
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Description

Forged piston and rings set 83.5mm VW 9A 2.0L 16VFor VW 9A 2. 0 16V engines. Nominal bore diameter: 83. 5mm (increase engine displacement to 2. 032cc) Recommended bore to piston to bore clearance: 0. 08mm (For nitrous or extreme applications, consult your builder) Piston ring grooves: 1. 5 mm 1. 5 mm 2. 0mm Compression height: 29,30mm. Dish volume: 2cc Pin offset: 1. 10mm. Material: Forged aluminum 4032 T6. Average piston weight (unit, without pin): 391g (13,79 oz). Rated for 1000hp. Innovative high

For VW 9A 2.0 16V engines.

Nominal bore diameter: 83.5mm (increase engine displacement to 2.032cc)

Recommended bore to piston to bore clearance: 0.08mm (For nitrous or extreme applications, consult your builder)

Piston ring grooves: 1.5 mm / 1.5 mm / 2.0mm

Compression height: 29,30mm.

Dish volume: 2cc

Pin offset: 1.10mm.

Material: Forged aluminum 4032 T6.

Average piston weight (unit, without pin): 391g (13,79 oz).

Rated for 1000hp.

Innovative high performance piston skirt design that provides:

1. Smaller piston to bore clearance

2. Less noise

3. Better ring seal

4. Higher power

5. Durability


Features:

Anti detonation grooves: protect the top ring by disrupting detonation waves and reduce piston-cylinder contact in high temperatures and engine RPM conditions.

Accumulator groove: accumulates residual combustion gasses reducing top ring flutter and improving seal.

Pin oil lubrication by broaches and oiler to reduce friction and increase durability.


Super A Piston Pin (63.45mm) - 4pcs set

Dimensions: 63.45mm x 20mm (length x O.D.)

Average unit weight: 116g (4.09 oz)

Rated for 1.000hp

Made from special steel alloys that combines optimal mass with high resistance.

Piston rings 83.5mm set

Contains 01 complete set for 4 cylinder engine.
Compatible with SPA Super A, with 1.5mm / 1.5mm and 2mm channels.
Ring thickness:
1st ring 1.5mm - Made of carbon steel, which is 35% more resistant than cast iron and on average 30% lighter. With DLC (Diamond-Like Carbon) treatment, which is the application of carbon particles, whose physical and chemical properties are very close to those of the diamond, providing greater resistance to the material and reducing the friction of the surface, which significantly reduces friction when working against other surfaces.
2nd ring 1.5mm - Made of cast iron.
3rd ring 2.0mm - Manufactured in 3 pieces, which guarantees easy maintenance, better stability in the control of the oil film and improves the oil removal through the piston lubrication holes, as it has a better area for displacing this oil.

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        Exchange/Return Notes
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        SKU: 28303290804

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        4.5 ★★★★★
        Based on 29 reviews
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        Verified Purchase
        Amazon Customer
        Waukegan, US
        ★★★★★ 5
        Perfect Pillow
        Size: Queen (Pack of 1), Color: White
        These are the best pillows ever. You can adjust the firmness or softness to whatever you want. For years i used a soft latex pillow , which you cant get anymore. I will never use another pillow. I have purchased 6 of these after the first one. You pick your own comfort level. Best ever. No more neck aches.
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on May 17, 2026
        M
        Verified Purchase
        Mark
        Houston, US
        ★★★★★ 5
        Hallelujah… finally, I found the right pillow!!!
        Size: Queen (Pack of 1), Color: White
        I have spent a lot of money searching for the right pillow. I recently tried to Tempur-pedic that cost twice with this pillow cost. Tempur-pedic flattened out. I’ve had this pill for a few weeks now and it works wonders. I am a paraplegic. You can have a lot of neck problems. I love the fact that this pillow is adjustable. I immediately saw it was too stuffy and took a bunch out. It works perfect so glad I didn’t spend money on a $200 purple pillow. I read a lot of reviews and there were a lot of complaints about the odor. Mine did smell funny when it came out of the box. I immediately threw it in the dryer with a few bounce fabric sheets came out smelling fine. Pillows are a very individual thing, but I think for 40 bucks this pillow is worth a try. I’m really enjoying mine about one of those silk pillowcases to go over it and it sleeps cool and comfortable. Best wishes in your search for the right pillow. Update: I’ve been using this pillow several months and it continues. Give me a good night rest pain-free.. well worth the money. UPDATE: I have been using this pillow for three months and it still works great. It does not flat out or get hot..
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on January 29, 2026
        D
        Verified Purchase
        Danica Mandic
        West Palm Beach, US
        ★★★★★ 5
        Soft comfortable very good pillow
        Size: King (Pack of 1), Color: White
        I really love my new pillow it's great and comfortable. Yes, it has a little smell, but if you wash the pillowcase and put the pillow on the window for a day you won't notice anything anymore.
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on May 18, 2026
        Z
        Verified Purchase
        Zachery Jeffries
        Battle Creek, US
        ★★★★★ 5
        Best place for head
        Size: Queen (Pack of 1), Color: White
        Do you love not getting sleep and sweating all over your pillow at night when you are asleep? If so then don't buy this pillow! If you want a good nights sleep and cool pillow like me this is the one. Ive always been ehh towards spending so much on a pillow but its 100% worth it, I sleep so much better and it forms to my head and keeps me cool at night. Great support even for my big head and comes with a bag of extra stuffing if you want to have a little more firmer pillow. Highly recommend
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on April 4, 2026
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        Verified Purchase
        Loves_2_read
        Alexandria, US
        ★★★★★ 3
        Oversized
        Size: Queen (Pack of 2), Color: White
        I have chronic neck pain. I am forever buying new pillows. Sometimes I think I found the perfect pillow but then three months later they’re losing their loft. I thought I would give these pillows to try since the stuffing is removable. Now these pillows are really oversized. To the point where I thought that they had sent me king-size pillows but I double checked the packaging and they were Queen. I ended up having to buy king-size pillowcases for them because they just barely fit in the queen size and the pillowcases would always end up pulling back from the edge. So that’s a negative one star there. Now I’ve been sleeping on these pillows for a while and they have held up well. I did end up removing some of the stuffing because it was just too much. I’m a side sleeper and when I use this pillow, it does a good job of keeping my neck in alignment. However, the pillow tends to migrate up as I sleep. Or I tend to slip down off the pillow, either or. So that’s why I’ve removed a second star. Maybe if I removed more stuffing that wouldn’t happen, but then I feel like the loft would be too little. I will say that these provide great support when sitting up in bed reading or watching TV. So would I buy them again? Probably not. Am I going to keep using them? Yes
        WAS THIS REVIEW HELPFUL?YesReportShare
        Reviewed in the United States on December 23, 2025

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