Cylinder Works 98mm Big Bore Cylinder Kit – Polaris RZR / General 1000 (61003-K01 / 0931-0622)

🛠️ Mobile & SEO-Optimized Description

Take your Polaris RZR or General 1000 to the next level of power and performance with the Cylinder Works 98mm Big Bore Cylinder Kit. This complete top-end package increases displacement to 1110cc with a 10.5:1 compression ratio, delivering exceptional throttle response, torque, and reliability.

Built from high-strength aluminum and featuring a nickel-silicon-carbide plated bore, this cylinder kit ensures superior heat transfer, reduced friction, and long service life. Perfect for riders looking for a proven power boost without sacrificing OEM reliability or fitment.

✅ What’s Included

• (1) 98.00 mm Cylinder (Nikasil plated, +5.00 mm overbore)

• (2) Vertex Forged Pistons

• (2) Piston Ring Sets

• (2) Wristpins & Circlips

• (1) Complete Top-End Gasket Kit (head, base, and exhaust gaskets)

Must use heavy-duty connecting rods for best results.
Recommended upgrade: Hot Cams Automatic Cam Chain Tensioner to eliminate timing jump under load.

📦 Fitment

Compatible Models (2014 – 2018):

• Polaris RZR XP 1000 EPS (2014–2018)

• Polaris RZR XP 4 1000 EPS (2014–2016, 2018)

• Polaris RZR S 1000 EPS (2016)

• Polaris RZR 4 XP 1000 4x4 (2017)

• Polaris General 1000 EPS (2016)

Works on all Polaris 1000 twin-cylinder engines using OEM 93mm cylinders as base fitment.

🛡️ Warranty Info

Cylinder Works products are made in the USA and backed by a manufacturer’s limited warranty against defects in materials and workmanship.

🔑 Key Features

• +5mm overbore increases displacement to 1110cc

• 10.5:1 compression ratio for strong low-end torque and crisp throttle response

• Nickel-silicon-carbide (Nikasil) plated for long wear and cooling efficiency

• Vertex forged pistons ensure smooth operation and reduced noise

• Drop-in fit—no machining required

• OEM appearance and fitment for easy installation

• Made in the USA

💲 Price & SKU

Retail Price: $790.89
SKU: 0931-0622 / 61003-K01
Estimated Shipping Weight: 9.4 lbs
Availability: In stock – ships next business day