{"product_id":"csr-grimmspeed-short-shifter-and-swap-top-weighted-shift-knob-kit-bulb-bundle","title":"GrimmSpeed Short Shifter and Swap-Top Weighted Shift Knob Kit - Bulb Bundle","description":"\u003cp\u003e\u003cstrong\u003eGRM.1316.5.0 - GrimmSpeed Short Shifter and Swap-Top Weighted Shift Knob Kit - Bulb Bundle\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp data-start=\"0\" data-end=\"99\"\u003e\u003cstrong data-start=\"0\" data-end=\"99\"\u003eGrimmSpeed STI Short Throw Shifter + Swap-Top Weighted Shift Knob (Bulb) Bundle (2004–2021 STI)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"101\" data-end=\"461\"\u003eThis bundle is all about precision with refinement. Combining the GrimmSpeed STI Short Throw Shifter with the GrimmSpeed Swap-Top Weighted Shift Knob (Bulb), you get a tighter shift pattern paired with a solid, substantial feel in your hand. The result is a gear change that feels deliberate and confident without becoming harsh or tiring during daily driving.\u003c\/p\u003e\n\u003ch3 data-start=\"468\" data-end=\"493\"\u003eWhy this bundle works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"495\" data-end=\"738\"\u003e\n\u003cstrong data-start=\"495\" data-end=\"530\"\u003eShort, mechanical gear changes:\u003c\/strong\u003e\u003cbr data-start=\"530\" data-end=\"533\"\u003eThe GrimmSpeed STI Short Throw Shifter is a true bolt-in redesign that reduces throw (adjustable 0%–26.3%) and sharpens engagement. Instead of long, rubbery movements, each shift becomes clean and defined.\u003c\/li\u003e\n\u003cli data-start=\"740\" data-end=\"989\"\u003e\n\u003cstrong data-start=\"740\" data-end=\"776\"\u003eWeight that smooths every shift:\u003c\/strong\u003e\u003cbr data-start=\"776\" data-end=\"779\"\u003eThe weighted bulb knob adds mass to the top of the shifter, helping carry the shift through the gate. This makes engagement feel smoother and more controlled, especially during quick shifts or spirited driving.\u003c\/li\u003e\n\u003cli data-start=\"991\" data-end=\"1158\"\u003e\n\u003cstrong data-start=\"991\" data-end=\"1016\"\u003ePrecision that lasts:\u003c\/strong\u003e\u003cbr data-start=\"1016\" data-end=\"1019\"\u003eSealed Enduro MAX ball bearings support heavy pivot loads and keep shifts accurate over time while resisting dirt, wear, and contamination.\u003c\/li\u003e\n\u003cli data-start=\"1160\" data-end=\"1368\"\u003e\n\u003cstrong data-start=\"1160\" data-end=\"1190\"\u003eErgonomics you can tailor:\u003c\/strong\u003e\u003cbr data-start=\"1190\" data-end=\"1193\"\u003eThe shifter allows adjustable knob height (+0.3” to −1.0” vs stock), while the bulb shape naturally fits both overhand and side-grip shifting styles for comfortable daily use.\u003c\/li\u003e\n\u003cli data-start=\"1370\" data-end=\"1589\"\u003e\n\u003cstrong data-start=\"1370\" data-end=\"1401\"\u003eCustomizable feel and look:\u003c\/strong\u003e\u003cbr data-start=\"1401\" data-end=\"1404\"\u003eThe Swap-Top knob design lets you change the top insert without replacing the entire knob, allowing you to refresh the interior appearance while keeping the same weighted feel you like.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1596\" data-end=\"1632\"\u003eOEM-friendly install and fitment\u003c\/h3\u003e\n\u003cp data-start=\"1634\" data-end=\"1913\"\u003eThis setup installs cleanly with no console trimming required, maintains OEM reverse lockout compatibility, and keeps the neutral position close to stock even at aggressive throw reduction settings. It retains factory functionality while dramatically improving driver connection.\u003c\/p\u003e\n\u003cp data-start=\"1920\" data-end=\"1963\"\u003e\u003cstrong data-start=\"1920\" data-end=\"1932\"\u003eFitment:\u003c\/strong\u003e 2004–2021 Subaru STI (6-speed)\u003c\/p\u003e\n\u003cp data-start=\"1965\" data-end=\"2059\"\u003e\u003cstrong data-start=\"1965\" data-end=\"1987\"\u003eShift knob thread:\u003c\/strong\u003e M12x1.25 (also compatible with many Subaru 5- and 6-speed applications)\u003c\/p\u003e\u003cp\u003eCircuit Spec R offers Free Shipping within the contiguous US. Confirm the vehicle application and selected options before ordering.\u003c\/p\u003e","brand":"GrimmSpeed","offers":[{"title":"Default Title","offer_id":67722163192115,"sku":null,"price":296.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0256\/5855\/6497\/files\/grimmspeed-inventory-20261015-1605.jpg?v=1792125284","url":"https:\/\/www.circuitspecr.com\/products\/csr-grimmspeed-short-shifter-and-swap-top-weighted-shift-knob-kit-bulb-bundle","provider":"Circuit Spec R","version":"1.0","type":"link"}