{"product_id":"granatelli-gms789464d-double-switch-plate-635in-barrel","title":"Granatelli GMS789464D Double Switch Plate .635in Barrel Universal","description":"\u003ch4\u003eSplit-Side Double Switch Plate for Two-Position Custom Interior Control Panels\u003c\/h4\u003e\n\u003cp\u003eThe Granatelli GMS789464D is a double switch plate that accepts two .635-inch barrel-style switch buttons, one positioned on the left side and one on the right side of the panel. Unlike side-by-side twin configurations, the split layout provides wider spacing between switches, reducing the chance of accidentally actuating both simultaneously. It is a universal accessory for custom interior switch panels, roll cage panels, or any housing that accepts .635-inch barrel switches, including the Granatelli 10-inch D-shaped racing steering wheel switch panel. Switches and the steering wheel are sold separately.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplit-Side Dual Layout:\u003c\/strong\u003e One .635-inch barrel switch button on each side of the plate for wider spacing than side-by-side twin configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Mis-Actuation Risk:\u003c\/strong\u003e Greater button separation decreases the chance of inadvertently pressing both switches at the same time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Compatible with any switch housing or panel that accepts .635-inch barrel-format switches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace-Ready Construction:\u003c\/strong\u003e Built to Granatelli's competition standards for reliable performance in demanding environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eGMS789464D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGranatelli Motor Sports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Button Diameter\u003c\/td\u003e\n\u003ctd\u003e.635 in (barrel-style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButton Count\u003c\/td\u003e\n\u003ctd\u003e2 (one per side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayout\u003c\/td\u003e\n\u003ctd\u003eDouble (split-side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x switch plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAbout Granatelli Motor Sports\u003c\/h4\u003e\n\u003cp\u003eGranatelli Motor Sports is a California-based performance parts manufacturer with roots in professional motorsport. The company produces ignition systems, interior accessories, and racing components used across drag racing, road racing, and high-performance street builds.\u003c\/p\u003e\n\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/interior\"\u003eBrowse All Interior Accessories at Black Ops Auto Works\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the GMS789464D?\u003c\/strong\u003e\u003cp\u003eThis is a Granatelli Motor Sports double switch plate that accepts two .635-inch barrel-style push buttons, one on the left side and one on the right side of the panel. The split-side layout provides wider button spacing than side-by-side twin plates, reducing the chance of accidental simultaneous actuation.\u003c\/p\u003e\n\u003cstrong\u003eWhat is the difference between this and the twin switch plates?\u003c\/strong\u003e\u003cp\u003eThis plate positions one button on each side of the panel (split-side layout) for greater separation between switches. The twin plates (GMS789465T standard face, GMS789464T mushroom) place two buttons side by side in the center. The single (GMS789464S) accepts one button with 4-position orientation. Choose based on spacing preference and switch count needed.\u003c\/p\u003e\n\u003cstrong\u003eIs this compatible with the Granatelli 10-inch D-shaped steering wheel?\u003c\/strong\u003e\u003cp\u003eYes. This plate is designed to be compatible with Granatelli's 10-inch D-shaped racing steering wheel switch panel and any housing that accepts .635-inch barrel-format switches. The steering wheel and switch buttons are sold separately.\u003c\/p\u003e\n\u003cstrong\u003eWhat switch buttons are compatible with this plate?\u003c\/strong\u003e\u003cp\u003eThis plate accepts .635-inch diameter barrel-style push buttons. Verify your intended switches match this diameter and barrel mounting style before ordering. Switches are sold separately and are not included.\u003c\/p\u003e\n\u003cstrong\u003eAre switch buttons included?\u003c\/strong\u003e\u003cp\u003eNo. This is the mounting plate only. You will need to source compatible .635-inch barrel-style switch buttons to complete the installation.\u003c\/p\u003e\n\u003cstrong\u003eCan this be used in a street car?\u003c\/strong\u003e\u003cp\u003eYes. This is a universal accessory and can be installed in any vehicle with a compatible switch panel housing, not exclusive to competition use.\u003c\/p\u003e\n\u003cstrong\u003eHow do I wire the switches after installation?\u003c\/strong\u003e\u003cp\u003eWire each switch button to the intended circuit per the switch manufacturer's wiring diagram. Ensure each circuit is properly fused. For safety-critical applications such as kill switches or fire suppression, consult a professional installer familiar with competition vehicle wiring standards.\u003c\/p\u003e\n\u003cstrong\u003eWhat material is the plate made from?\u003c\/strong\u003e\u003cp\u003eRefer to Granatelli's product documentation for specific material information. The plate is built to Granatelli's race-use standards for durability in demanding competition and street environments.\u003c\/p\u003e\n\n\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eVerify that your switch housing accepts .635-inch barrel switch buttons and that the plate dimensions match the panel cutout.\u003c\/li\u003e\n\u003cli\u003eInsert the plate into the panel housing, aligning the button holes with the housing cutouts.\u003c\/li\u003e\n\u003cli\u003eSeat the .635-inch barrel switch buttons through the plate holes and secure per the switch manufacturer's retention method (clip, nut, or snap-fit).\u003c\/li\u003e\n\u003cli\u003eWire each switch button to the intended circuit per the switch manufacturer's wiring diagram; ensure proper fusing on each circuit.\u003c\/li\u003e\n\u003cli\u003eConfirm all switches actuate freely before securing the panel in the vehicle.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46058236674127,"sku":"GMS789464D","price":13.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ChatGPTImageJul15_2026_04_28_24PM.png?v=1784147326","url":"https:\/\/www.blackopsautoworks.com\/products\/granatelli-gms789464d-double-switch-plate-635in-barrel","provider":"Black Ops Auto Works","version":"1.0","type":"link"}