{"product_id":"1985-1991-corvette-c4-l98-procharger-d-1-intercooled-complete-system","title":"1985–1991 Corvette C4 L98 ProCharger D-1 Intercooled Complete System","description":"\u003cp\u003e\u003cstrong\u003eProCharger 1GB212-D1 D-1 Intercooled Complete System\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\u003eIncludes a two-core intercooler for 1985–1989 or twin intercoolers for 1990–1991, Bosch bypass valve, ProPump and FMU fuel hardware.\u003c\/p\u003e\u003cp\u003eManufacturer lists 10+ psi and a 75%+ horsepower gain; actual boost and results require review of engine condition, fuel and calibration. The in-line fuel pump may be omitted for a $98 credit when a suitable fuel system is supplied separately. FMU remains included.\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 \/ Included","offer_id":67616690536767,"sku":"1GB212-D1","price":7698.0,"currency_code":"USD","in_stock":true},{"title":"Satin \/ Omit Pump (-$98)","offer_id":67616690569535,"sku":"1GB212-D1-OP","price":7600.0,"currency_code":"USD","in_stock":true},{"title":"Polished \/ Included","offer_id":67616690602303,"sku":"1GB212-D1-P","price":8398.0,"currency_code":"USD","in_stock":true},{"title":"Polished \/ Omit Pump (-$98)","offer_id":67616690635071,"sku":"1GB212-D1-P-OP","price":8300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/ProCharger_TPI_Corvette-Medium_jpg_63f02c64-d392-4172-ac9f-09b61b2227a7.webp?v=1790872087","url":"https:\/\/smgspeed.com\/products\/1985-1991-corvette-c4-l98-procharger-d-1-intercooled-complete-system","provider":"SMGspeed","version":"1.0","type":"link"}