Which generation and model should I choose for the Boost Logic Pistons for 991 Porsche 911 GT3?

Match the options to the car. Choose 991.1 for a 2014 to 2016 GT3 or the 2016 GT3 RS, and 991.2 for a 2018 or 2019 GT3 or GT3 RS, then choose GT3 or GT3 RS. The 991.1 GT3 runs a 3.8 liter flat-six and the others a 4.0 liter, which is why Boost Logic asks for both details.

What comes in the set?

Boost Logic does not publish a contents list for the Pistons for 991 Porsche 911 GT3 engines. The product photo shows six pistons with wrist pins and piston rings, one piston for each cylinder of the flat-six, but that should be confirmed before ordering. Contact Bulletproof Automotive and we will confirm the contents for the version you need.

Are these forged pistons?

Not confirmed. Boost Logic does not state the construction or material of these pistons, so no claim is made here. Ask Bulletproof Automotive to confirm the construction, compression ratio and bore size with Boost Logic for your generation and model, and share the details of the planned build so the engine builder can check the specification.

Do they fit the 992 GT3?

No. Boost Logic lists these pistons for the 991 generation GT3 and GT3 RS only, in 991.1 and 991.2 versions. The 992 GT3 is not listed, so owners of the newer car should contact Bulletproof Automotive to ask whether Boost Logic offers internal engine parts for that engine.

Can the pistons be fitted without removing the engine?

No. Replacing pistons means removing and disassembling the engine, so this is work for an experienced engine builder during a rebuild. Budget for machine work, gaskets and the rest of the rotating assembly at the same time, and consider the Boost Logic titanium connecting rods for the 991 GT3 if the rods are being replaced too.

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Description

Boost Logic Pistons for 991 Porsche 911 GT3

Boost Logic’s Pistons for 991 Porsche 911 GT3 are a piston set for the naturally aspirated GT3 and GT3 RS flat-six, ordered by generation and model so the set matches the engine it goes into. That choice matters because the 991.1 GT3 uses a 3.8-liter engine while the 991.2 GT3 and both GT3 RS generations use the 4.0-liter. Boost Logic publishes almost nothing beyond the part name, so treat this as an engine-builder part and confirm compression, bore and contents with Bulletproof Automotive before ordering.

Features

Generation-specific set for the 991.1 or 991.2 engine
Model-specific set for the GT3 or GT3 RS
Designed as an engine-build part for the naturally aspirated flat-six
Pairs with the Boost Logic titanium connecting rods for the same engines

Applications

Porsche 911 GT3: 991.1 | 2014-2016 | 3.8L Flat-Six
Porsche 911 GT3: 991.2 | 2018-2019 | 4.0L Flat-Six
Porsche 911 GT3 RS: 991.1 | 2016 | 4.0L Flat-Six
Porsche 911 GT3 RS: 991.2 | 2018-2019 | 4.0L Flat-Six

Notes

Choose the generation and model at checkout; every combination is the same price
Boost Logic does not list the contents, compression ratio or construction; the photo shows six pistons with wrist pins and piston rings, so confirm what ships with Bulletproof Automotive
Boost Logic publishes no material or bore specification for the Pistons for 991 Porsche 911 GT3
Boost Logic also builds Boost Logic Titanium Connecting Rods for 991 Porsche 911 GT3 for the same engines
Pistons are fitted with the engine apart, by an engine builder

Frequently Asked Questions

Which generation and model should I choose for the Boost Logic Pistons for 991 Porsche 911 GT3? Match the options to the car. Choose 991.1 for a 2014 to 2016 GT3 or the 2016 GT3 RS, and 991.2 for a 2018 or 2019 GT3 or GT3 RS, then choose GT3 or GT3 RS. The 991.1 GT3 runs a 3.8 liter flat-six and the others a 4.0 liter, which is why Boost Logic asks for both details.
What comes in the set? Boost Logic does not publish a contents list for the Pistons for 991 Porsche 911 GT3 engines. The product photo shows six pistons with wrist pins and piston rings, one piston for each cylinder of the flat-six, but that should be confirmed before ordering. Contact Bulletproof Automotive and we will confirm the contents for the version you need.
Are these forged pistons? Not confirmed. Boost Logic does not state the construction or material of these pistons, so no claim is made here. Ask Bulletproof Automotive to confirm the construction, compression ratio and bore size with Boost Logic for your generation and model, and share the details of the planned build so the engine builder can check the specification.
Do they fit the 992 GT3? No. Boost Logic lists these pistons for the 991 generation GT3 and GT3 RS only, in 991.1 and 991.2 versions. The 992 GT3 is not listed, so owners of the newer car should contact Bulletproof Automotive to ask whether Boost Logic offers internal engine parts for that engine.
Can the pistons be fitted without removing the engine? No. Replacing pistons means removing and disassembling the engine, so this is work for an experienced engine builder during a rebuild. Budget for machine work, gaskets and the rest of the rotating assembly at the same time, and consider the Boost Logic titanium connecting rods for the 991 GT3 if the rods are being replaced too.

About Boost Logic

Boost Logic was founded in Austin, Texas in 2003 and made its name with Toyota Supra turbo kits, setting street car records at 6speed record days and the Texas Mile that stood long after the company stopped racing Supras competitively. It designs turbo systems, titanium exhausts, intercoolers and engine components for the Toyota Supra, Porsche 911 Turbo, Nissan GT-R, Ferrari and Lamborghini, and its R35 GT-R builds have trapped over 180 mph in the quarter mile and over 200 mph in the half mile.

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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Boost Logic Pistons for 991 Porsche 911 GT3

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Boost Logic Pistons for 991 Porsche 911 GT3

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Notes

Frequently Asked Questions

About Boost Logic

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