GrimmSpeed Lightweight Crank Pulley Black - Subaru All FA/FB Engines
75% Reduction in Rotating Mass - weighs 1.1lb vs the 4.4lb OEM pulley
Machined 6061 T6 Aluminum - high quality, precision construction
Hard Anodized Finish - ensures a durable finish and resists corrosion
Removal Tool Mounting - allows the use of the GrimmSpeed Crank Pulley Tool
Factory Fitment - direct replacement for easy installation
The design process for this pulley ensured that a perfect factory replacement fitment was maintained while performance was maximized. It`s a common misconception that the mass of a crank pulley alone determines its effectiveness. The truth is that it`s actually the moment of inertia that affects the pulley`s ability to improve engine and throttle response. The moment of inertia, in non-engineering terms, is a function of not only the mass of an object, but how that mass is distributed about it`s rotational axis. A lower moment of inertia means that less torque is required to spin the crank pulley and, in turn, the crankshaft/engine. Our engineers took great care to keep the already minimal mass as close to the center of the pulley as possible without sacrificing its strength.
The result is a pulley that fits well, looks beautiful and works exactly as intended. From the first test drive, you`ll notice smoother operation, faster response and a more enjoyable drive. Much of this is difficult to quantify, but you can see from the datalogs below that when compared to the OEM pulley, the GrimmSpeed Crank Pulley quantitatively improved throttle response.
Another major improvement made is that you`ll find the necessary threaded holes to use our Crank Pulley Removal Tool for safe and easy installation and removal. On newer vehicles, cars can simply be put into a high gear to break the crank pulley bolt loose, but as with older chassis vehicles, this bolt will likely become quite stubborn with time. The use of the GrimmSpeed Removal Tool will make removal quick and easy.
Like any GrimmSpeed product, these pulleys are built to last. Using locally sourced 6061 T6 aluminum billet, the pulleys are machined and measured to verify critical dimensions before being anodized. The bright dip anodizing process that we use ensures a durable finish that will protect the pulley from corrosion. Lastly, each pulley is laser etched with a sharp GrimmSpeed logo.
Proven performance from a crank pulley can be difficult to quantify, but when you`re pulley is meticulously engineered, the results are there. Below is a chart showing the free revving of a stock BRZ equipped with a stock pulley and then a GrimmSpeed pulley. It`s easy to see that the engine reaches redline faster and drops to idle faster with the GrimmSpeed Lightweight Crank Pulley installed. That`s improved throttle response that you`ll appreciate immediately.
2013+ Subaru BRZ
2015+ Subaru WRX
2013+ Scion FR-S
Manufacturer Part Number: 095023
WH Part Number: grm095023
*** Product Availability Information (Handling time) ***
Laval Location: Typically ready to ship within 24 to 48 hours
Canadian Warehouse: Typically ready to ship within 2 to 4 business days
Manufacturer Stock: We have transfers coming from the US warehouse every 3 to 4 weeks.
US Shipping Warehouse: This warehouse is only for shipping to our US customers.
Out of Stock or Special Order: This means we either do not have live inventory for this manufacturer, or this item is a special order from the manufacturer, or this can also mean that the product is on backorder at the manufacturer. If you would like a more precise ETA, please contact our sale team prior to placing your order.