NPR

NPR for Porsche

No Politics Racing (NPR) proudly provides HIGH END Porsche transaxle components for road racing applications. Our differentials, gears, and mainshafts have been tested and proven to withstand the harshest racing conditions, whether that be for street, track, or off-road.Our goal at NPR is to provide our clients with the highest quality transaxle components, from the enthusiast looking to hit the track a few times a year, all the way to the top pro race teams in the country. This is why we employ the latest manufacturing techniques and utilise state-of-the-art manufacturing equipment to ensure our products will out perform the competition

A Quick Look at NPR

NPR information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.

Choosing the Right Fit for Your Porsche

Where NPR is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.

• Typical reasons people replace these parts include restoring compression, reducing oil consumption, and supporting a proper engine rebuild rather than a short-term fix.
• Common symptoms of wear can be oil burning, low compression, blow-by, excessive crankcase pressure, and poor performance when wear is advanced.
• Practical tips: inspect cylinder and bore condition carefully, confirm ring gaps and bore finish, and keep assembly meticulously clean to avoid repeat issues.

Browse by Category

If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.

Gearbox / Transmission — You change gearbox and transmission components when you have shifting issues, noise, leaks, or you’re refreshing a high-mileage drivetrain. This can range from clutches and linkages to complete units, helping keep your Porsche engaging gears cleanly and reliably where listed.

• Before assuming the gearbox is at fault, rule out clutch, mounts, linkage, and oil issues, as these can mimic internal gearbox problems.
• Using the correct specification transmission oil and changing it as a first step can sometimes improve shift quality and help diagnosis.

Gearbox Parts — Gearbox parts are typically replaced to address internal wear such as tired bearings, synchros, and seals, or during a full rebuild after noise or shifting issues. For Porsche applications, selecting quality components and correct tolerances supports long-term reliability where these parts are specified.

• Consider whether a rebuild or replacement gearbox best suits your car, budget, and originality requirements.
• Use the correct oil specification, as unsuitable oil can worsen synchro performance and overall shift feel.

Gearbox Gears / Crown Wheel and Pinion — These precision components are changed when gear teeth show wear or damage, when there is noise from the final drive, or when altering ratios for performance or motorsport use. Correct matching and setup is essential to maintain quiet running and durability.

• Paired gears and final drive components must be correctly matched and set up; incorrect backlash or preload can lead to rapid wear.
• Ratio changes may affect speedometer readings depending on how the car measures road speed.

Rear Differential — Rear differentials are replaced or rebuilt to fix noise, leaks, or excessive play, or to upgrade for better traction and torque handling. On Porsche models, a healthy differential improves smoothness, stability, and power delivery where fitted.

• Fresh, correct-specification differential oil may reduce noise if the previous oil was old or incorrect, but it will not cure significant bearing or gear wear.
• When diagnosing noises or driveline “clunks”, also check diff mounts, propshaft and CV joints, and gearbox mounts.

Explore NPR at Design911

View the current NPR range for Porsche at Design911, then filter by model and category to narrow down to the right parts.