{"product_id":"granatelli-gms789464s-single-switch-plate-635in-barrel-4-position","title":"Granatelli GMS789464S Single Switch Plate .635in Barrel 4-Position Universal","description":"\u003ch4\u003eSingle Barrel Switch Plate with 4-Position Orientation for Custom Race Panels\u003c\/h4\u003e\n\u003cp\u003eThe Granatelli GMS789464S is a single switch plate that accepts one .635-inch barrel-style switch button in a 4-position orientation. The single button layout is ideal for dedicated single-function assignments such as ignition kill, launch control activation, boost control toggle, or pit limiter. The 4-position compatibility allows the installer to orient the switch label, indicator light, or actuation direction as needed relative to the panel. Compatible with the Granatelli 10-inch D-shaped racing steering wheel switch panel and any housing that accepts .635-inch barrel switches. The switch and steering wheel are sold separately.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Button Layout:\u003c\/strong\u003e Accepts one .635-inch barrel-style switch button for dedicated single-function panel installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Position Orientation:\u003c\/strong\u003e The switch button can be installed in four rotational orientations (0, 90, 180, 270 degrees) to align directional markings or illuminated faces as needed\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-use 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\u003eGMS789464S\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\u003e1 (single)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Positions\u003c\/td\u003e\n\u003ctd\u003e4-position compatible\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 GMS789464S?\u003c\/strong\u003e\u003cp\u003eThis is a Granatelli Motor Sports single switch plate that accepts one .635-inch barrel-style push button switch in a 4-position orientation. It is a universal accessory for dedicated single-function switch panel installations in racing or performance street vehicles with compatible switch housings.\u003c\/p\u003e\n\u003cstrong\u003eWhat does 4-position compatible mean?\u003c\/strong\u003e\u003cp\u003e4-position compatibility means the switch button can be installed in four rotational orientations (0, 90, 180, or 270 degrees) so that any directional markings, indicator lights, or ON\/OFF legends on the switch face read correctly from the driver's view. This is useful when the switch has a labeled or illuminated face that needs a specific orientation.\u003c\/p\u003e\n\u003cstrong\u003eWhat single-function applications is this best suited for?\u003c\/strong\u003e\u003cp\u003eThis plate is well suited for any dedicated single function: engine kill, launch control activation, boost control toggle, pit limiter, fire suppression, or any other one-switch assignment on a custom race or performance panel. It can also fill an unused panel slot with a labeled, functional switch.\u003c\/p\u003e\n\u003cstrong\u003eWhat is the difference between this and the other Granatelli switch plates?\u003c\/strong\u003e\u003cp\u003eThis plate accepts a single button with 4-position orientation. The twin plates (GMS789465T standard face, GMS789464T mushroom) each accept two side-by-side buttons. The double (GMS789464D) accepts two buttons with one per side. Choose this plate when only one switch function is needed in a given panel location.\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 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 hole with the housing cutout.\u003c\/li\u003e\n\u003cli\u003eSeat the .635-inch barrel switch button through the plate hole; rotate to the desired 4-position orientation before securing the retention nut or clip per the switch manufacturer's instructions.\u003c\/li\u003e\n\u003cli\u003eWire the switch button to the intended circuit per the switch manufacturer's wiring diagram; ensure proper fusing.\u003c\/li\u003e\n\u003cli\u003eConfirm the switch actuates freely and returns to the off position correctly before securing the panel in the vehicle.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46058236739663,"sku":"GMS789464S","price":11.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/ChatGPT_Image_Jul_15_2026_04_31_17_PM.png?v=1784147517","url":"https:\/\/www.blackopsautoworks.com\/products\/granatelli-gms789464s-single-switch-plate-635in-barrel-4-position","provider":"Black Ops Auto Works","version":"1.0","type":"link"}