{"product_id":"tci-th400-racing-transmission-filter-reusable-pan-gasket-kit-1966-1991-high-flow-contamination-control","title":"TCI TH400 Racing Transmission Filter \u0026 Reusable Pan Gasket Kit 1966–1991 High-Flow Contamination Control","description":"\u003cstrong\u003eTCI 228500 is a racing-grade TH400 transmission filter and reusable pan gasket kit designed to improve fluid flow and trap contaminants while providing a durable, resealable pan seal.\u003c\/strong\u003e\n\n\u003cp\u003eThis kit was engineered for TH400-equipped cars and trucks from 1966 through 1991 to deliver better filtration and a dependable pan seal without replacing the entire pan or converter. It combines a high-flow transmission filter tuned for racing and spirited driving with a reusable gasket that resists deformation, helping maintain a clean circuit and simplified maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this kit affect transmission fluid circulation and contamination control?\u003c\/h3\u003e\n\u003cp\u003eThe TCI filter improves fluid passage to the pump and torque converter, reducing restrictions common with stock elements. Its media is sized to capture typical transmission wear particles while preserving flow rates needed under higher loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-flow filter media reduces pressure drop to the pump\u003c\/li\u003e\n  \u003cli\u003eCatches metallic debris and clutch material to protect servos and valve body\u003c\/li\u003e\n  \u003cli\u003eDesigned for racing and heavy-duty street use where heat and shear are elevated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the pan gasket reusable and more reliable than single-use gaskets?\u003c\/h3\u003e\n\u003cp\u003eInstead of a crush-style paper gasket, the kit includes a form-stable gasket that compresses to seal, then recovers after removal. The material resists oil soak and swelling, which helps prevent leaks after repeated service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable elastomeric compound resists transmission fluid and heat\u003c\/li\u003e\n  \u003cli\u003eRetains sealing dimensions after installation and removal\u003c\/li\u003e\n  \u003cli\u003eReduces need to replace gasket at every pan service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my TH400 from 1966–1991 and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThis kit is vehicle-specific for TH400 applications spanning 1966–1991. Installation is straightforward for anyone comfortable with a basic transmission drain and pan removal; no special tools are normally required beyond standard hand tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit for standard TH400 pan bolt patterns\u003c\/li\u003e\n  \u003cli\u003eIncludes racing filter P\/N 228500 sized for TH400 systems\u003c\/li\u003e\n  \u003cli\u003eTypical install: drain fluid, remove pan, swap filter and gasket, torque bolts to spec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the kit support routine maintenance and track-day preparation?\u003c\/h3\u003e\n\u003cp\u003eBy combining enhanced filtration with a durable gasket, the kit simplifies maintenance intervals and makes track prep more reliable. A cleaner circuit reduces valve body wear, and the reusable gasket saves time during repeated fluid changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps extend component life through improved contaminant capture\u003c\/li\u003e\n  \u003cli\u003eSpeeds service with a gasket that can be re-seated after removal\u003c\/li\u003e\n  \u003cli\u003eLightweight kit (approx. 1.5 lb package) is easy to handle during shop work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This TCI 228500 filter and pan gasket kit is aimed at hot-rodders, vintage muscle owners, and performance-minded technicians running TH400 transmissions from 1966 to 1991 who want a cost-effective upgrade for better flow, improved debris control, and a dependable reusable pan seal. It’s well suited to street\/strip vehicles and to anyone wanting a straightforward service-upgrade without modifying the transmission housing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the TCI 228500 filter a direct replacement for stock TH400 filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s designed to fit TH400 applications from 1966–1991 as a direct-fit racing-grade replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I reuse the included pan gasket after removing the pan?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The gasket is reusable and engineered to recover after removal for multiple service cycles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TCI","offers":[{"title":"Default Title","offer_id":55171223486807,"sku":"B000NCYJTI","price":49.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/tci-th400-front-of-packaging.jpg?v=1790440786","url":"https:\/\/britishgarage.co.uk\/products\/tci-th400-racing-transmission-filter-reusable-pan-gasket-kit-1966-1991-high-flow-contamination-control","provider":"British Garage","version":"1.0","type":"link"}