What is the primary benefit of a 4340 billet crankshaft over a stock one?

A 4340 billet crankshaft is forged from a solid piece of steel, offering a much stronger and more consistent internal structure than a stock cast or forged crankshaft. This makes it significantly more durable and better suited to handle the increased stresses of high-performance or modified engines.

Does this crankshaft come with bearings or other installation hardware?

This product listing is for the Brian Crower 4340 billet crankshaft itself, which is factory balanced. It does not include crankshaft bearings, seals, or other installation hardware. These components should be sourced separately to ensure proper fitment and performance.

What does it mean for the crankshaft to be 'balanced'?

A balanced crankshaft has counterweights precisely machined and positioned to offset the weight of the pistons, connecting rods, and the crankshaft itself. This factory balancing by Brian Crower ensures the crankshaft rotates smoothly with minimal vibration, which is crucial for engine longevity and performance, especially at high RPMs.

Brian Crower 4340 Billet Crankshaft 68mm Stroke BC5910B

Name: Brian Crower Balanced Crankshaft - 2016+ Polaris XPTurbo 68mm Stroke 4340 Billet
Brand: Brian Crower
SKU: brian-crower-brian-crower-balanced-crankshaft-2016-polaris-xpturbo-68mm-stroke-4-t14-431221
Price: 2252.80 USD
Availability: BackOrder

Brian Crower Balanced Crankshaft - 2016+ Polaris XPTurbo 68mm Stroke 4340 Billet

$2252.80

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Brian Crower Balanced Crankshaft - 2016+ Polaris XPTurbo 68mm Stroke 4340 Billet

Key Features

Fits 2016+ Polaris XPTurbo.
Features a 68mm stroke for increased displacement.
Constructed from strong 4340 billet steel for enhanced durability.
Comes factory balanced for smoother operation and easier installation.
Designed as a direct replacement for the stock crankshaft.

This crankshaft is designed for 2016 and newer Polaris XPTurbo models. Always confirm fitment with the manufacturer's specific application data.

Secure CheckoutFast Shipping631-982-0042

Product Details

This package includes a Brian Crower 4340 billet crankshaft, specifically designed for the 2016 and newer Polaris XPTurbo models. It features a 68mm stroke and comes balanced from the factory, ready for installation into your engine build. This crankshaft is a critical component for any performance-oriented engine, handling the conversion of the piston's linear motion into rotational force that ultimately powers your vehicle.

Crafted from 4340 billet steel, this crankshaft is built for strength and durability, capable of withstanding the higher stresses associated with modified or performance engines. The billet construction means it's forged from a solid piece of material, offering a more consistent grain structure and superior toughness compared to cast or forged cranks. Its 68mm stroke is an increase over the stock dimension, which can contribute to increased displacement and potential for more power when paired with appropriate supporting modifications. The fact that it's balanced from Brian Crower means you save time and ensure a precise counterweight setup, crucial for smooth operation and longevity at higher RPMs.

When undertaking an engine build that requires a robust crankshaft, especially for a turbocharged application like the Polaris XPTurbo, choosing a well-built component like this Brian Crower unit is essential. It's designed to be a direct replacement for the stock crankshaft, simplifying the installation process within the engine block. Ensure you have all necessary supporting components, such as bearings, seals, and gaskets, before beginning assembly, and always refer to the manufacturer's detailed installation instructions for proper torque specifications and procedures.