{"product_id":"1985-1991-corvette-c4-l98-procharger-d-1-non-intercooled-tuner-kit","title":"1985–1991 Corvette C4 L98 ProCharger D-1 Non-Intercooled Tuner Kit","description":"\u003cp\u003e\u003cstrong\u003eProCharger 1GB211-D1 D-1 Non-Intercooled Tuner Kit\u003c\/strong\u003e for 1985–1991 Chevrolet Corvette C4 with the original 5.7L L98 TPI engine. Excludes ZR-1\/LT5 and engine swaps.\u003c\/p\u003e\u003ch2\u003eHardware and configuration\u003c\/h2\u003e\u003cp\u003eD-1 supercharger with factory-style 6-rib drive. Satin finish is standard; polished supercharger and bracket finish adds $700.\u003c\/p\u003e\u003cp\u003eThis catalog configuration is non-intercooled. Fuel-system upgrades and custom tuning must be supplied separately; do not assume the complete system’s intercooler or fuel hardware is included.\u003c\/p\u003e\u003cp\u003eManufacturer specifications designate this D-1 tuner kit for modified engines only. Boost, pulley choice and fuel\/calibration requirements must be matched to the actual engine build.\u003c\/p\u003e\u003ch2\u003eInstallation and ordering\u003c\/h2\u003e\u003cp\u003eSpecial-order kit requires a manufacturer order form and non-refundable deposit; additional lead time may apply. Provide VIN, year, transmission, suspension equipment and all engine\/fuel\/exhaust modifications. Suspension configuration may require hood or bracket modifications. Manufacturer suspension exclusions require compatibility review before order release. Larger injectors may be necessary for higher-boost configurations.\u003c\/p\u003e\u003ch2\u003eEmissions\u003c\/h2\u003e\u003cp\u003eNo emissions certification is claimed for this configuration. Confirm permitted use and registration-state requirements before ordering.\u003c\/p\u003e","brand":"ProCharger","offers":[{"title":"Satin","offer_id":67616690667839,"sku":"1GB211-D1","price":6598.0,"currency_code":"USD","in_stock":true},{"title":"Polished","offer_id":67616690700607,"sku":"1GB211-D1-P","price":7298.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/ProCharger_TPI_Corvette-Medium_jpg_23c4c3dc-7f32-47ea-a08b-2c747e0a14d1.webp?v=1790872088","url":"https:\/\/smgspeed.com\/products\/1985-1991-corvette-c4-l98-procharger-d-1-non-intercooled-tuner-kit","provider":"SMGspeed","version":"1.0","type":"link"}