{"product_id":"smeding-diesel-s300-turbo-kit-2017-2026-chevy-gmc-l5p-duramax","title":"Smeding Diesel 2017-2026 Chevy\/GMC 2500\/3500 L5P Duramax S300 Turbo Kit","description":"\u003cp\u003eThe L5P's factory variable-vane turbo is capable but complex, and on a hard-working or tuned truck both the reliability and the airflow ceiling become limiting. This kit bolts in a fixed-vane S300 that trades variable geometry for durability and a higher power ceiling, using your factory components that aren't included in the kit.\u003c\/p\u003e\u003cp\u003eYou get your choice of S300 turbocharger size, the pedestal, the downpipe, and the bolt-in hardware — built as a direct-fit package so the swap stays clean.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRequires custom tuning. As a conversion away from the factory variable-geometry turbo on an emissions-equipped truck, this is intended for off-road and competition use where permitted — check your local regulations before installing.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eNot sure which wheel fits your fuel system and goals? Call us first.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAssembled in the USA and high-speed balanced before it ships. 1-year unlimited-mileage warranty.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eNot sure which wheel fits your build?\u003c\/strong\u003e Call \u003cstrong\u003e636-429-7020\u003c\/strong\u003e or email \u003ca href=\"mailto:info@fassmotorsports.com\"\u003einfo@fassmotorsports.com\u003c\/a\u003e and we'll match the turbo to your fueling and goals the first time.\u003c\/p\u003e","brand":"Smeding Diesel","offers":[{"title":"Cast 62mm \/ Standard Bearing","offer_id":44527128150058,"sku":"C62STD1116-L5P","price":2795.0,"currency_code":"USD","in_stock":true},{"title":"Cast 62mm \/ Extreme Duty Steel 360* Bearing","offer_id":44527128182826,"sku":"C62ED1116-L5P","price":2975.0,"currency_code":"USD","in_stock":true},{"title":"Billet 63mm SXE \/ Standard Bearing","offer_id":44527128215594,"sku":"B63STD1116-L5P","price":2920.0,"currency_code":"USD","in_stock":true},{"title":"Billet 63mm SXE \/ Extreme Duty Steel 360* Bearing","offer_id":44527128248362,"sku":"B63ED1116-L5P","price":3100.0,"currency_code":"USD","in_stock":true},{"title":"Billet 64.5mm SXE \/ Standard Bearing","offer_id":44527128281130,"sku":"B64STD1116-L5P","price":2920.0,"currency_code":"USD","in_stock":true},{"title":"Billet 64.5mm SXE \/ Extreme Duty Steel 360* Bearing","offer_id":44527128313898,"sku":"B64ED1116-L5P","price":3100.0,"currency_code":"USD","in_stock":true},{"title":"Cast 66mm \/ Standard Bearing","offer_id":44527128346666,"sku":"C66STD1116-L5P","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"Cast 66mm \/ Extreme Duty Steel 360* Bearing","offer_id":44527128379434,"sku":"C66ED1116-L5P","price":2980.0,"currency_code":"USD","in_stock":true},{"title":"Billet 66mm SXE \/ Standard Bearing","offer_id":44527128412202,"sku":"B66STD1116-L5P","price":2920.0,"currency_code":"USD","in_stock":true},{"title":"Billet 66mm SXE \/ Extreme Duty Steel 360* Bearing","offer_id":44527128444970,"sku":"B66ED1116-L5P","price":3100.0,"currency_code":"USD","in_stock":true},{"title":"Billet 69mm SXE \/ Standard Bearing","offer_id":44527128477738,"sku":"B69STD1116-L5P","price":2920.0,"currency_code":"USD","in_stock":true},{"title":"Billet 69mm SXE \/ Extreme Duty Steel 360* Bearing","offer_id":44527128510506,"sku":"B69ED1116-L5P","price":3100.0,"currency_code":"USD","in_stock":true},{"title":"Billet 72mm SXE-R \/ Standard Bearing","offer_id":44527128543274,"sku":"B72STD1116-L5P","price":3160.0,"currency_code":"USD","in_stock":true},{"title":"Billet 72mm SXE-R \/ Extreme Duty Steel 360* Bearing","offer_id":44527128576042,"sku":"B72ED1116-L5P","price":3340.0,"currency_code":"USD","in_stock":true},{"title":"Billet 63mm SXE-R \/ Standard Bearing","offer_id":44527128608810,"sku":"B63RSTD1116-L5P","price":3160.0,"currency_code":"USD","in_stock":true},{"title":"Billet 63mm SXE-R \/ Extreme Duty Steel 360* Bearing","offer_id":44527128641578,"sku":"B63RED1116-L5P","price":3340.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/Screenshot2026-06-04151728.png?v=1783014060","url":"https:\/\/fassmotorsports.com\/products\/smeding-diesel-s300-turbo-kit-2017-2026-chevy-gmc-l5p-duramax","provider":"FASS Motorsports","version":"1.0","type":"link"}