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Upgrade your Nissan 240SX exhaust setup with this durable stud nut kit designed for KA24E and KA24DE engines. Whether you're running the SOHC KA24E or the DOHC KA24DE, this kit ensures a secure and leak-free exhaust manifold seal.
🔧 Application
‣ Fits: Nissan 240SX S13 / S14 models
‣ KA24E (SOHC): M8 x 1.25 exhaust manifold studs
‣ KA24DE (DOHC): M10 x 1.25 exhaust manifold studs
🛠 Product Features
‣ Each stud includes a internal hex for easy installation using a hex key — no double-nutting required.
‣ Top-lock flange nuts feature a deformed thread section for secure fastening under high-temp cycling and engine vibration.
‣ S35C heat-treated carbon steel, phosphate coated, Class 8.8
‣ Copper-plated steel top-lock flange nuts
Built to handle high temps and mechanical stress, this kit is ideal for stock or performance manifolds.
Proudly exported to 75+ countries. All orders are dispatched via DHL Express, FedEx, or EMS from our Taiwan hub.
We’ve optimized our tax process for core markets to ensure zero hidden fees:
All-inclusive pricing. No hidden duties or extra fees at delivery.
Orders under AUD 1,000 are typically tax-free. No GST surprises.
*Other Countries: Import duties are determined by local customs and are the buyer's responsibility.
30-Day Returns: Return or exchange within 30 days of delivery. (Shipping at buyer's expense).
Limited Lifetime Warranty: Covers manufacturing defects. (Excludes racing misuse).