RZR Stage 4 Super-Duner Crate Engine

Introducing the Polaris RZR XP Turbo Stage 4 Super Duner Crate Engine: Unleash Unmatched Power, Performance, and Reliability!

Designed for big power in mind! This combo is rated for 400whp without concern. If you want more, look to our stage 5 Drag-Maxx. 

Prepare for an adrenaline-fueled off-road experience with our Stage 4 Super Duner Crate Engine for the Polaris RZR XP Turbo. Engineered to push the boundaries of performance, this powerhouse will propel you to new levels of excitement and domination on any terrain.

Key Features:

1. Redesigned for Unparalleled Performance: The Stage 4 Super Duner Crate Engine is meticulously crafted to deliver exceptional power and performance. With upgraded features, this engine is built to conquer the toughest challenges, providing unrivaled performance and reliability in the most demanding off-road environments.

2. OEM Parts and Brian Crower Upgrades: We believe in uncompromising quality, which is why our Stage 4 Super Duner Crate Engine is built using only top-tier OEM parts and enhanced with Brian Crower upgrades. This includes stage 3 cams, oversized valves, ARP 625+ head studs, and ARP 2000 main studs, all meticulously installed with line bored and dowel pinned mains. Additionally, it includes a manual timing chain tensioner for precise control and reliability.

3. BC Stroker Crankshaft and Upgraded Connecting Rods: The Stage 4 Super Duner Crate Engine features a BC Stroker Crankshaft for increased displacement and enhanced performance. The connecting rods are upgraded to BC 625+ for exceptional strength and durability, ensuring optimal power transfer in extreme off-road conditions.

4. CP Forged Big Bore Pistons and Cometic MLX Head Gasket: Experience enhanced power and durability with CP Forged big bore 94mm pistons, designed to withstand high-performance demands. The Cometic MLX head gasket upgrade ensures a superior seal, promoting efficient combustion and minimizing the risk of leaks.

5. CNC-Ported Cylinder Head with Big Valve Upgrade: The cylinder head is upgraded to our big valve CNC port design, featuring a +3.8mm exhaust and +1mm intake, optimized for improved airflow and increased power. The Newen CNC performance multi-angle/radius valve job further enhances airflow dynamics, maximizing performance gains.

6. Diamond Honed Cylinders and In-House Services: Our expert technicians meticulously diamond hone the cylinders to precise specifications, guaranteeing optimal clearance and a proper crosshatch pattern. All services, from assembly to cylinder head upgrades, are completed in-house, ensuring the highest level of quality control and attention to detail.

7. Complete Package with Installation and Tuning: We offer a comprehensive crate engine package that is ready for installation, saving you time and effort. Additionally, we provide professional installation services and offer expert tuning to optimize performance and fine-tune your engine to your specific preferences.

Experience the ultimate power and performance with the Polaris RZR XP Turbo Stage 4 Super Duner Crate Engine. Elevate your off-road adventures, dominate any terrain, and leave competitors in awe. Contact us today to take your RZR XP Turbo to unprecedented levels of performance.

Note: Professional installation is recommended for optimal results. Ignite your passion for off-road excellence with the Stage 4 Super Duner Crate Engine. Contact our team now to unleash the full potential of your RZR XP Turbo.