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Engines and Components› Pistons and Piston Rings

CP Pistons

CP Pistons 22-23 Polaris RZR Pro R 12.5:1 93mm STD Bore x 73.5mm Stroke 2.0L N/A Piston Kit

$1,126.00 $1,069.72 Save $56.28

SKU: C00A M9103

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

Moderate — 2–4 hours

Description

The CP Piston kit (PN: M9103, CP9103) is a shelf piston kit for high-output powersports engines. It features a bore diameter of 93.00mm (3.661 inches), a static compression ratio of 12.5:1, and is made from forged 2618 aluminum alloy. It includes a 0.945-inch wrist pin with spiral locks and a 1.2mm / 1.2mm / 3.0mm plasma-moly top, Napier second, and standard tension oil ring pack. The approximate weight per piston is 325-340 grams (weight matched to ±1g), and it has asymmetric barrel skirts that are fully CNC machined with valve reliefs for specific Pro R / Slingshot valve train geometry.

Fitment

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Specifications

BrandCP Pistons
Part NumberC00A M9103

Videos

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Buy with Confidence

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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