{"product_id":"73-87-chevy-gmc-c10-coilover-inboard-chassis","title":"73-87 Chevy \u0026 GMC C10 Coilover Inboard Chassis","description":"\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e73-87 Coilover Inboard Chassis - #CHASSIS7387-COIL-IN\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe GSI \u003cstrong\u003e73-87 C10 Coilover Chassis\u003c\/strong\u003e is designed for builders who want a \u003cstrong\u003esportier, performance-driven setup with\u003c\/strong\u003e a significantly lowered stance, modern handling, and increased structural rigidity. This \u003cstrong\u003eRidetech coilover suspension is\u003c\/strong\u003e ideal for \u003cstrong\u003eautocross, pro-touring, and high-end street\/show builds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhile it does not lay frame, this chassis sits aggressively low with predictable handling, a strong road feel, and consistent performance under hard driving. The rear suspension and notch system \u003cstrong\u003esupport aggressive lowering and wide wheel fitments up to\u003c\/strong\u003e \u003cstrong\u003e24” x 15”\u003c\/strong\u003e while maintaining suspension travel and drivability, making it ideal for show or track focused trucks.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003ePerformance \u0026amp; Low Stance\u003c\/h4\u003e\n\u003cp\u003eThis chassis uses an\u003cstrong\u003e inboard 4-link\u003c\/strong\u003e rear suspension, positioning the links closer to the center of the chassis to create additional clearance around the rear wheels and tires. Compared with our outboard 4-link option, this layout prioritizes \u003cstrong\u003emaximum wheel \u0026amp; tire clearance\u003c\/strong\u003e, making it ideal for deep-tubbed builds running wide rear wheels while retaining predictable axle control and coilover performance.\u003c\/p\u003e\n\u003cp\u003eEach chassis is hand-fabricated and fully welded by professional fabricators using \u003cstrong\u003eMIG \u0026amp; TIG welding\u003c\/strong\u003e methods. Main chassis rails and structural components are fabricated from \u003cstrong\u003eASTM A1011\u003c\/strong\u003e hot-rolled steel, selected for its strength, consistency, and weld quality. \u003cstrong\u003eOEM frames are laser scanned\u003c\/strong\u003e to ensure proper fitment.\u003c\/p\u003e\n\u003cp\u003eOptimized suspension geometry minimizes camber change through suspension travel, \u003cstrong\u003ereduces bump steer\u003c\/strong\u003e, and maintains stable alignment at ride height, which is critical for competitive driving and spirited street use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated GSI Lower Control Arm Alignment Cams\u003c\/strong\u003e and the \u003cstrong\u003eGSI Tie Rod Adapter Kit \u003c\/strong\u003eallow for straightforward alignment adjustments while maintaining correct steering geometry.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eA Serious Foundation\u003c\/h4\u003e\n\u003cp\u003ePrimary chassis and suspension components arrive installed. Some components and optional add-ons may ship \u003cstrong\u003eboxed separately on the pallet\u003c\/strong\u003e, depending on configuration. The chassis provides a strong, accurate foundation ready to accept a body, drivetrain, wheels, plumbing, and finishing components—without fabrication guesswork.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003eManufacturing \u0026amp; Construction\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLaser-scanned OEM chassis data\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCNC laser-cut components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCNC press brake forming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull in-house CNC machine shop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eASTM A1011 \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eWhat’s Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFront Ridetech Coilover Shocks \u0026amp; Springs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear Ridetech Coilover Shocks \u0026amp; Springs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBoxed Sheet Metal Upper \u0026amp; Lower Control Arms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUpper \u0026amp; Lower Ball Joints\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGSI Tie Rod Adapter Kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChassis Stiffener\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAxle Housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBillet Watt’s Link\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e4-Link Suspension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRear Frame Notch \u0026amp; Bridge\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrame Rails\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarrier Bearing Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMustang II Power Steering Rack \u003cem\u003e(Premium Flaming River rack upgrade available)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmall Block Chevy Engine Mounts \u003cem\u003e(LS engine mounts sold separately)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003eOptional Add-Ons Available\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAxle Third Member\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAxle Package \u003cem\u003e(31 or 35 Spline)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAftermarket Brake Kits \u003cem\u003e(Wilwood or CPP)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBed Raise Kit\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"73-87 Fuel Tanks\" href=\"https:\/\/www.gsimfab.com\/collections\/1973-1987-fuel\" target=\"_blank\"\u003eFuel Tank \u003cem\u003e(EFI\/Non-EFI)\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cem\u003e\u003c\/em\u003eMotor Mounts \u003cem\u003e(SBC \/ BBC \/ LS \/ LT4 \/ LT5) \u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cem\u003e\u003c\/em\u003eRack \u0026amp; Pinion Upgrade \u003cem\u003e(Flaming River)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSway Bar Front\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSway Bar Rear\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWheels \u0026amp; Tire Packages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003ca title=\"Chassis Quote\" href=\"https:\/\/www.gsimfab.com\/pages\/request-chassis-quote\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #dd0303;\"\u003eClick to Start Chassis Quote\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch4\u003eShipping\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eShips via freight on a reinforced, wrapped pallet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQuote required\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eCancer and Reproductive Harm – \u003ca href=\"http:\/\/www.p65warnings.ca.gov\" class=\"decorated-link\" rel=\"noopener\"\u003ewww.p65warnings.ca.gov\u003cspan class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\" height=\"20\" width=\"20\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-d46pasyz.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eQuestions? Contact Us\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e(480) 940-1806 – Local\u003cbr\u003e1 (877) 951-1890 – Toll Free\u003c\/p\u003e","brand":"GSI Machine and Fabrication","offers":[{"title":"Default Title","offer_id":54616679547159,"sku":"CHASSIS7387-COIL-IN","price":19500.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.gsimfab.com\/products\/73-87-chevy-gmc-c10-coilover-inboard-chassis","provider":"GSI Machine and Fabrication","version":"1.0","type":"link"}