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Engines and Components› Pistons and Piston Rings

Mahle

Mahle MS Piston Set K20 86.50mm Bore 86mm Stroke 139mm Rod 22mm Pin 12cc 12.9 CR Set of 4

$685.98 $631.10 Save $54.88

SKU: M002 929170905

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Mahle PowerPak Piston and Ring Kit 929170905 is a set of four forged aluminum dome pistons with four valve reliefs, designed for Honda K20 engines (2.0L/2022cc). It features an 86.50mm bore and includes low-drag rings, steel pins, and wire locks. The pistons are coated with dry phosphate and Grafal anti-friction coating for enhanced durability and performance.
Show original supplier description

Part #: 929170905

ACURA RSX K20 2.0L 86.50mm x 30mm CH, 86mm stroke,139mm rod,22mm pin,11.8cc,333g,12.8CR, 4032.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMahle
Part NumberM002 929170905

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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