Which cars does the Lightweight Billet Pulley Set for ZN6 fit?

Cusco USA lists part number 965 733 A for the Toyota 86 (ZN6, 2017-2021), the Subaru BRZ (ZC6, 2013-2021) and the Scion FR-S (ZN6, 2013-2016). The Lightweight Billet Pulley Set for ZN6 fits the FA20 engine as a direct replacement for the factory pulleys.

What does a lightweight pulley change?

It reduces the rotating mass at the front of the engine, so the engine can change speed slightly faster. The gain shows as a little sharper throttle response rather than more peak power, and it is most noticeable when combined with a lightweight flywheel.

Does it need a different belt?

No. Cusco describes the set as a direct replacement for the factory pulleys, so the factory belt and routing are used. Check belt tension and alignment after fitting, and recheck after the first few drives, as a new belt setup can settle.

Is it difficult to fit?

No more than any pulley change. The belt has to come off, the factory pulleys are removed and the Cusco pulleys fitted in their place, then the belt is refitted and tensioned. Follow the factory torque figures for the pulley bolts.

Will it affect emissions or warranty?

A pulley change does not alter the emissions control system, and the engine management is left as it was. Any aftermarket part can raise warranty questions on a newer car, so check with the dealer or warranty provider if the car is still covered before fitting it.

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Description

Cusco Lightweight Billet Pulley Set for ZN6 Toyota 86, ZC6 Subaru BRZ and ZN6 Scion FR-S

Cusco’s Lightweight Billet Pulley Set for ZN6 Toyota 86, ZC6 Subaru BRZ and ZN6 Scion FR-S replaces factory engine pulleys with lightweight pulleys machined from billet aluminum and anodized blue. Less rotating mass on the front of the engine lets it gain and lose revs a little more freely, which sharpens throttle response, and the anodized finish brightens the engine bay. Cusco describes the set as a direct replacement for the factory parts. It suits an 86, BRZ or FR-S being built for sharper response on track or road.

Design and Performance

Every pulley on the front of the engine is rotating mass the engine has to spin up and slow down with each change of rpm. The Lightweight Billet Pulley Set for ZN6 is machined from billet aluminum, which is lighter than the factory pulleys, so the engine responds a little faster to the throttle. It is a subtle change on its own, and it works best alongside a lightweight flywheel and other changes aimed at response.

Features

Billet aluminum construction
Lighter than the factory pulleys
Blue anodized finish
Direct replacement for the factory pulleys, per Cusco
Sharper throttle response

Specifications

Cusco part number: 965 733 A
Type: Lightweight pulley set
Material: Billet aluminum
Finish: Blue anodized
Fitment type: Direct OE replacement
Engine: FA20 2.0L

Applications

Toyota 86: ZN6 | 2017-2021 | FA20 (2.0L) All model
Scion FR-S: ZN6 | 2013-2016 | FA20 (2.0L) All model
Subaru BRZ: ZC6 | 2013-2021 | FA20 (2.0L) All model

Notes

Installation labor is not included; follow the factory procedure for belt tension and bolt torque
Check belt alignment after fitting
Cusco introduced this set in April 2015

Frequently Asked Questions

Which cars does the Lightweight Billet Pulley Set for ZN6 fit? Cusco USA lists part number 965 733 A for the Toyota 86 (ZN6, 2017-2021), the Subaru BRZ (ZC6, 2013-2021) and the Scion FR-S (ZN6, 2013-2016). The Lightweight Billet Pulley Set for ZN6 fits the FA20 engine as a direct replacement for the factory pulleys.
What does a lightweight pulley change? It reduces the rotating mass at the front of the engine, so the engine can change speed slightly faster. The gain shows as a little sharper throttle response rather than more peak power, and it is most noticeable when combined with a lightweight flywheel.
Does it need a different belt? No. Cusco describes the set as a direct replacement for the factory pulleys, so the factory belt and routing are used. Check belt tension and alignment after fitting, and recheck after the first few drives, as a new belt setup can settle.
Is it difficult to fit? No more than any pulley change. The belt has to come off, the factory pulleys are removed and the Cusco pulleys fitted in their place, then the belt is refitted and tensioned. Follow the factory torque figures for the pulley bolts.
Will it affect emissions or warranty? A pulley change does not alter the emissions control system, and the engine management is left as it was. Any aftermarket part can raise warranty questions on a newer car, so check with the dealer or warranty provider if the car is still covered before fitting it.

About CUSCO

CUSCO is the brand of Carrosser Co., Ltd., founded in December 1977 and based in Takasaki, Gunma Prefecture, Japan. Carrosser designs and builds coilovers, limited-slip differentials, clutches, roll cages and chassis parts, sells its steel cages under the Safety 21 name, and competes in every All Japan Championship category from circuit racing to rally and gymkhana. CUSCO USA, a division of Carrosser, is based in Huntington Beach, California.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Cusco Lightweight Billet Pulley Set for ZN6 Toyota 86, ZC6 Subaru BRZ and ZN6 Scion FR-S [965 733 A]

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Cusco Lightweight Billet Pulley Set for ZN6 Toyota 86, ZC6 Subaru BRZ and ZN6 Scion FR-S

Design and Performance

Features

Specifications

Applications

Notes

Frequently Asked Questions

About CUSCO

Reviews