SPA TURBO Forged piston set 83.5 mm 1.8L 20V VW/AUDI

SPA TURBO Forged piston set 83.5 mm 1.8L 20V VW/AUDI

Marsoni

M251S

$349.95

Get it in 3 business days with 1 day shipping. Friday, May 29

SPA TURBO Forged piston set 83.5 mm 1.8L 20V VW/AUDIFor VW AUDI 1. 8 20V engines Nominal bore diameter: 83. 5mm (increase engine displacement to 1893cc) 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: 32. 40mm. Dish volume: 7cc Compression ratio: 8. 5: 1 Pin offset: 1. 10mm. Material: Forged aluminum 4032 T6. Average piston weight (unit, without pin): 347. 74g (12. 2 oz).

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These flip flops have an excellent fit with a cushioned footbed that makes them very comfortable to wear for long periods. The grip is strong on wet surfaces, which adds confidence when walking around pools, beaches, or after rain. The overall quality feels top tier, and the color looks clean and well finished. They are lightweight, and the sizing was spot on, making them easy to slip on and wear throughout the day.

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Reviewed in the United States on March 11, 2026

Sean Bozarth

Natrona Heights, US

★★★★★ 5

Comfortable, Lightweight, and Easy for Everyday Wear

Size: 8, Color: Black/Geyser

I picked these up mainly for casual wear and beach days, and they’ve honestly been a great grab. They were comfortable right out of the box, which isn’t always the case with flip flops. The footbed has a little bit of cushion without feeling overly soft or flimsy. They feel supportive enough for running quick errands but still light and easy to slide on. The fit was true to size for me. They’re maybe slightly roomy in the toe area, but not in a way that bothers me. The straps don’t rub or dig in, which is usually my biggest concern with sandals like this. They also seem well made. The material feels durable and not cheap, and they have that simple Columbia look that works with shorts or just something casual around the house. Overall, solid pair of flips. Nothing flashy, just comfortable and reliable. I’d definitely buy them again.

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Reviewed in the United States on February 19, 2026

Verified Purchase

Derrick

Draper, US

★★★★★ 5

Under Armour Sandels

Nice and comfortable sandals. Has the gel things that make it feel soft on feet. 2nd pair that I have bought of these.

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Reviewed in the United States on April 11, 2026

Verified Purchase

Iliana