# LN Engineering: Precision Performance since 2002 > Discover high\-quality Porsche engine parts and expert advice\. Upgrade performance and reliability with precision\-engineered solutions\. Generated by Yoast SEO v28.5, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [DRIVEN Engine Oils](https://lnengineering.com/products/driven-racing-oils/driven-engine-oils/) - [Aircooled Nickies](https://lnengineering.com/products/porsche-and-vw-aircooled-cylinders-and-pistons/) - [Watercooled Parts \& Upgrades](https://lnengineering.com/products/parts-and-upgrades-for-porsche-boxster-cayman-and-911-engines/) - [Watercooled Nickies](https://lnengineering.com/products/watercooled-porsche-cylinders-sleeves-and-pistons/) - [IMS Bearing Kits](https://lnengineering.com/products/the-definitive-guide-and-faq-for-porsche-ims-bearings/) - [DRIVEN Products](https://lnengineering.com/products/driven-racing-oils/) - [Aircooled Parts \& Upgrades](https://lnengineering.com/products/aircooled-porsche-parts-and-upgrades/) - [Driven DT Oils](https://lnengineering.com/products/driven-racing-oils/driven-engine-oils/driven-dt-oils/) ## Posts - [Billet fan and ring housing for aircooled Porsche 911](https://lnengineering.com/03112026-2/) ## Products - [CSF 7067 Racing Right Radiator for Porsche 911, Boxster, Cayman inc\. GT4 \(981/991 Models\)](https://lnengineering.com/csf-racing-right-radiator-for-porsche-911-boxster-cayman-inc-gt4-981-991-models/): LN Engineering and Bilt Racing Service are CSF R\&D Partners and Authorized Resellers of CSF Radiators and Oil Coolers\. The Racing \& High Performance Division of CSF Inc\. strives to build and engineer the most advanced, efficient, and reliable cooling systems in the world\. CSF manufactures the most advanced and efficient radiator cores in the industry by using innovative tube and fin technologies with industry leading testing methods to maximize airflow and heat dissipation\. These techniques allow CSF to stay ahead of the pack when it comes to radiator technology\! CSF manufacturers a wide variety of sophisticated cooling systems with more than 117 different applications ranging from high performance all\-aluminum direct\-fit replacement radiators, to complete custom applications for race cars, power sports, off\-road, marine, and industrial uses\. Replaces Porsche part number 991 106 132 03\. - [CSF 7066 Racing Left Radiator for Porsche 911, Boxster, Cayman inc\. GT4 \(981/991 Models\)](https://lnengineering.com/csf-racing-left-radiator-for-porsche-911-boxster-cayman-inc-gt4-981-991-models/): LN Engineering and Bilt Racing Service are CSF R\&D Partners and Authorized Resellers of CSF Radiators and Oil Coolers\. The Racing \& High Performance Division of CSF Inc\. strives to build and engineer the most advanced, efficient, and reliable cooling systems in the world\. CSF manufactures the most advanced and efficient radiator cores in the industry by using innovative tube and fin technologies with industry leading testing methods to maximize airflow and heat dissipation\. These techniques allow CSF to stay ahead of the pack when it comes to radiator technology\! CSF manufacturers a wide variety of sophisticated cooling systems with more than 117 different applications ranging from high performance all\-aluminum direct\-fit replacement radiators, to complete custom applications for race cars, power sports, off\-road, marine, and industrial uses\. Replaces Porsche part number 991 106 131 03\. - [Driven DI30 5W\-30 Synthetic Direct Injection Performance Motor Oil \(Case of 12 Quarts\) 607\-48 \(18306\-12\)](https://lnengineering.com/driven-di30-5w-30-synthetic-direct-injection-performance-motor-oil-case-of-12-quarts-18306/): Sharing the same advantages as Driven's DI20 Oil, DI30 should be used in any direct injection engine that calls for 5W\-30 motor oil, such as the Ford EcoBoost engines and the GM LT1 and LT4 engines\. Viscosity typcial of 5W\-30\. - [VW Type 4 \.060 Stamped Cylinder Shims 6527](https://lnengineering.com/vw-type-4-060-stamped-cylinder-shims/): VW Type 4 cylinder base shims\. Price shown is for set of four\. Used to set deck height; sealant required on both sides when installing\. Also fits Porsche 914 and 912E models\. Shims are for stock 1\.8/2\.0 case registers; shims for machine in cylinders are special order only\. - [Driven Storage Defender Gasoline \(6oz\. Bottle\) 607\-35 \(70060\)](https://lnengineering.com/driven-storage-defender-gasoline-6oz-bottle-70060/): \\\.embed\-container \{ position: relative; padding\-bottom: 56\.25%; height: 0; overflow: hidden; max\-width: 100%; \} \.embed\-container iframe, \.embed\-container object, \.embed\-container embed \{ position: absolute; top: 0; left: 0; width: 100%; height: 100%; \}\\
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