WARNING: Cancer and Reproductive Harm -
Turn your Polaris RZR 170 into a race-ready 180cc beast — fully legal for MAO and USAC classes.
This premium Taida big-bore cylinder kit is the go-to upgrade for RZR 170 owners who want serious power gains while staying 100% compliant with MAO and USAC rules. The precision 63mm bore combined with a durable flat-top cast piston delivers noticeable increases in horsepower, torque, and throttle response without the hassle of illegal modifications.
Key Features & Benefits
- 63mm Taida Cast Flat-Top Piston – Provides smooth, reliable performance with excellent heat dissipation and longevity.
- High-Tolerance Cylinder – Precision-machined for a perfect fit, reduced friction, and maximum power output.
- 57mm Head Stud Spacing – Direct bolt-on fit for all Polaris RZR 170 models (stock GY6-style engine).
- 180cc Displacement Upgrade – Boosts your engine from 170cc to 180cc for stronger mid-range pull and top-end speed.
- Dual Base Gasket Option – Includes both a thin gasket (high compression) and thick gasket (low compression) so you can tune exactly to your track or class requirements.
- MOA / USAC Legal – Designed and tested to meet all current MAO and USAC technical specifications — no guesswork, no tech-inspection headaches.
What’s Included in the Kit
- 63mm high-tolerance cylinder
- 63mm flat-top cast piston (complete)
- Piston pin
- 2 piston pin clips
- Thin base gasket (high compression)
- Thick base gasket (low compression)
- Head gasket
Technical Specifications
- Bore: 63mm
- Piston Type: Flat-top cast
- Head Stud Spacing: 57mm
- Displacement: 180cc
- Stroke Compatibility: 57mm (stock RZR 170)
Perfect For
- Polaris RZR 170 (2009–current models)
- MAO-sanctioned races
- USAC-sanctioned races
- Taida Part number # GY6-0105763
- Recreational trail riding or backyard performance builds