{"product_id":"granatelli-gm821b-billet-twin-fuel-pump-manifold-bracket-kit-bracket-only","title":"Granatelli GM821B Billet Twin Fuel Pump Manifold \u0026 Bracket Kit – Bracket Only","description":"\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; line-height: 1.65; color: #222; max-width: 900px;\"\u003e\n\n\u003ch2 style=\"margin-bottom: 8px;\"\u003eGranatelli Motor Sports GM821B Twin Fuel Pump Manifold \u0026amp; Bracket Kit\u003c\/h2\u003e\n\n\u003cp style=\"font-size: 17px; margin-top: 0;\"\u003e\n\u003cstrong\u003eBuild a cleaner, more compact dual-pump fuel system without starting from scratch.\u003c\/strong\u003e\nThe Granatelli Motor Sports \u003cstrong\u003eGM821B\u003c\/strong\u003e combines a billet twin-pump mounting system with integrated inlet and outlet manifolds, giving performance builders a professional solution for packaging two compatible external fuel pumps into one organized assembly.\n\u003c\/p\u003e\n\n\u003cp\u003e\nDesigned for universal high-performance fuel systems, the GM821B helps simplify pump mounting and fuel-line routing while providing multiple manifold connection options for custom installations.\n\u003c\/p\u003e\n\n\u003cdiv style=\"background-color: #fff4e5; border: 1px solid #e8c58c; border-left: 6px solid #d97706; padding: 17px 20px; margin: 24px 0; border-radius: 5px;\"\u003e\n\u003cspan style=\"font-size: 17px;\"\u003e\u003cstrong\u003eIMPORTANT — BRACKET \/ MANIFOLD KIT ONLY\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003cstrong\u003eFuel pumps are NOT included.\u003c\/strong\u003e Product images showing fuel pumps are for installation and fitment reference only.\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin-top: 30px; margin-bottom: 12px;\"\u003eA Better Way to Build a Twin-Pump System\u003c\/h3\u003e\n\n\u003cp\u003e\nHigh-output EFI and forced-induction applications often require more fuel volume than a single external pump can comfortably supply. The GM821B gives builders a compact way to mount two compatible pumps together while integrating the inlet and outlet side of the system into a clean billet manifold arrangement.\n\u003c\/p\u003e\n\n\u003cp\u003e\nRather than using separate pump clamps, distribution blocks, and improvised plumbing, the GM821B keeps the system consolidated into one purpose-built assembly.\n\u003c\/p\u003e\n\n\u003ch3 style=\"margin-top: 30px;\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\n\u003cul style=\"padding-left: 22px; margin-top: 10px;\"\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003eTwin Fuel Pump Layout:\u003c\/strong\u003e Designed to mount two compatible external fuel pumps in one compact, organized assembly.\n\u003c\/li\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003eIntegrated Inlet \u0026amp; Outlet Manifolds:\u003c\/strong\u003e Helps simplify fuel plumbing by bringing both pumps together through common manifold blocks.\n\u003c\/li\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003eBillet Aluminum Construction:\u003c\/strong\u003e Provides a strong, durable foundation with the premium appearance expected in high-end performance builds.\n\u003c\/li\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003eFlexible Plumbing Options:\u003c\/strong\u003e Multiple ORB-style manifold ports allow the system to be configured around different mounting and hose-routing requirements.\n\u003c\/li\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003e-10AN \/ -8AN System Layout:\u003c\/strong\u003e Designed around a high-flow manifold configuration using a -10AN inlet side and -8AN outlet side.\n\u003c\/li\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003eCompact Packaging:\u003c\/strong\u003e Keeps pumps, brackets, and manifold plumbing together rather than spreading components throughout the vehicle.\n\u003c\/li\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003eUniversal Performance Application:\u003c\/strong\u003e Ideal for EFI, forced-induction, race, street\/strip, muscle car, restomod, and custom fuel systems.\n\u003c\/li\u003e\n\n\u003cli style=\"margin-bottom: 9px;\"\u003e\n\u003cstrong\u003eProfessional Finished Appearance:\u003c\/strong\u003e A clean billet assembly looks far better than improvised clamps, separate distribution blocks, and pieced-together mounting hardware.\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003cdiv style=\"background-color: #f5f5f5; padding: 18px 20px; margin: 26px 0; border-radius: 5px;\"\u003e\n\n\u003ch3 style=\"margin-top: 0; margin-bottom: 12px;\"\u003eProduct Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd; width: 40%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003eGranatelli Motor Sports\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003eGM821B\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003eTwin Fuel Pump Manifold \u0026amp; Bracket Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eFuel Pumps Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eNo\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003ePump Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e2 External Fuel Pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eManifold Inlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e-10AN\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eManifold Outlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e-8AN\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eManifold Port Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003eORB-Style Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003eBillet Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px; border-bottom: 1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 8px;\"\u003eUniversal High-Performance Fuel Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin-top: 30px;\"\u003eIdeal for Serious Performance Builds\u003c\/h3\u003e\n\n\u003cul style=\"padding-left: 22px;\"\u003e\n\u003cli\u003eTurbocharged vehicles\u003c\/li\u003e\n\u003cli\u003eSupercharged vehicles\u003c\/li\u003e\n\u003cli\u003eHigh-horsepower EFI applications\u003c\/li\u003e\n\u003cli\u003eStreet\/strip builds\u003c\/li\u003e\n\u003cli\u003eDrag racing vehicles\u003c\/li\u003e\n\u003cli\u003eMuscle cars and restomods\u003c\/li\u003e\n\u003cli\u003eHot rods\u003c\/li\u003e\n\u003cli\u003eCustom fuel-system installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"background-color: #111; color: #fff; padding: 20px 22px; margin-top: 28px; border-radius: 5px;\"\u003e\n\n\u003cstrong style=\"font-size: 18px;\"\u003eGranatelli Motor Sports — Build It Clean. Build It Right.\u003c\/strong\u003e\n\n\u003cp style=\"margin-bottom: 0;\"\u003e\nThe \u003cstrong\u003eGM821B\u003c\/strong\u003e gives you the foundation for a professional twin external fuel pump system by combining secure pump mounting with integrated high-flow manifold plumbing in one compact billet assembly.\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003cp style=\"font-size: 14px; color: #666; margin-top: 18px;\"\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Fuel pumps are sold separately. Always verify pump dimensions, port configuration, fuel compatibility, system pressure requirements, and overall fuel-system capacity before installation.\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n","brand":"Granatelli Motor Sports, Inc.","offers":[{"title":"Default Title","offer_id":47465486221468,"sku":"GM821B","price":94.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/9826\/2684\/files\/GM822B_2.png?v=1787591806","url":"https:\/\/granatellimotorsports.com\/products\/granatelli-gm821b-billet-twin-fuel-pump-manifold-bracket-kit-bracket-only","provider":"Granatelli Motor Sports, Inc.","version":"1.0","type":"link"}