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Perfect Circle Engines

PRO R RZR Engine Package

PRO R RZR Engine Package

Regular price $9,999.00 USD
Regular price Sale price $9,999.00 USD
Sale Sold out
Stage X

PRO R Naturally Aspirated and Forced Induction Options Available. Customer Supplies core unless specified. NEW OEM Cores $8,800. 

Highlights:

BC ValveTrain and Cams

BC Rods

CP Carrillo Pistons

Coated Bearings

ARP STUDS



**Uncompromising Precision: ** At Perfect Circle, we don't leave any room for error. Our "PRO R RZR" engine starts with in-house machining, ensuring every component meets our exacting standards. We go the extra mile by subjecting all internals to a thorough thermal and ultrasonic cleaning process, guaranteeing a pristine foundation for assembly.

**Cylinder Perfection: ** The heart of this powerhouse lies in its perfectly honed cylinders, thanks to our state-of-the-art Sunnen SV-10 machine. Our crosshatch data and precision Mitutoyo profilometer confirm optimal surface finishes for unbeatable ring seal performance.

**Balanced to Perfection: ** The "PRO R RZR" engine boasts an electronically balanced crankshaft and rotating assembly, a feat achieved to within a mere 0.2 grams. This level of precision sets the industry standard and ensures smooth operation and longevity.

**Micrometer-Precise Bearings: ** We take bearing clearances seriously, measuring them with a dial bore gauge to within an astonishing 0.0001". Such meticulous attention to detail guarantees unmatched durability and reliability.

**High RPM Confidence: ** Our oil modifications guarantee over 100psi of high RPM oil pressure, ensuring your engine stays cool and well-lubricated even under extreme conditions.

**Unleash the Power: ** The cylinder head is completely re-engineered with CNC ports that rank among the best in the market. Paired with Brian Crower valvetrain and camshafts, this engine delivers exceptional airflow and performance. Our proprietary CNC Newen Valve job and bronze guides further enhance its capabilities.

**Reliability Meets Performance: ** We combine Brian Crower internals with OEM components to strike the perfect balance between power and reliability. You can trust this engine to perform consistently, whether you're hitting the trails or pushing the limits on the track.

**Limitless Potential: ** The "PRO R RZR" engine platform can achieve upwards of 400 crank horsepower naturally aspirated. And with the right forced induction modifications, it can reach mind-boggling heights of over 1300 crank horsepower, making it one of the highest-grossing PRO R engines on the planet.


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