{"product_id":"hilliard-inferno-needle-bearing-clutch-mounting-kit-1-4-spacer-washer-lo206-clone","title":"Hilliard Inferno Needle Bearing Clutch Mounting Kit - 1\/4\" Spacer \u0026 Washer - LO206 \/ Clone","description":"\u003cp\u003eProper driveline alignment is the foundation of transferring power to the track, whether you are building a competitive sprint kart or setting up a rig for high-speed go karting for adults. The Hilliard Needle Bearing Clutch Mounting Kit (HDC-CMK-NB) provides the exact tolerances required to prevent clutch binding and maximize the efficiency of your Inferno series clutch. When you are trying to extract every ounce of briggs and stratton lo206 horsepower, eliminating parasitic drag at the clutch hub is absolutely non-negotiable.\u003c\/p\u003e\u003cp\u003eThis hardware kit is specifically engineered for needle bearing sprockets, ensuring the clutch drum floats correctly without side-loading the engine bearings. The included 1\/4\" wide spacer establishes the critical offset between the clutch hub and the sprocket, while the heavy-duty 1.125\" OD x 1\/8\" thick retaining washer (HDC-RW) guarantees secure load distribution across the crankshaft snout. Without these exact dimensions, your clutch drum can wander, leading to premature wear on the sprocket teeth and the chain.\u003c\/p\u003e\u003ch2\u003eOptimizing Driveline Efficiency Beyond Engine Bearings\u003c\/h2\u003e\u003cp\u003eA slipping or binding clutch generates excessive heat, which degrades performance faster than running a dry go kart fuel tank during a long endurance race. By utilizing this precision-machined spacer and washer combination, racers ensure crisp engagement and consistent lock-up RPMs corner after corner. While you might be hunting for the next engine oil sale to reduce internal friction inside the crankcase, securing your clutch with the correct Hilliard mounting hardware is the most immediate, cost-effective way to improve power delivery to the rear axle. Proper shimming is what separates the front runners from the rest of the pack.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 1\/4\" Spacer:\u003c\/strong\u003e Maintains exact spacing between the clutch hub and needle bearing sprocket to eliminate binding and chain misalignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Retaining Washer:\u003c\/strong\u003e 1.125\" OD x 1\/8\" thick (HDC-RW) design prevents bolt pull-through under high torque loads and aggressive standing starts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeedle Bearing Specific:\u003c\/strong\u003e Tailored exclusively for Hilliard Inferno clutches utilizing needle bearing sprockets, ensuring a perfect float.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParasitic Drag Reduction:\u003c\/strong\u003e Prevents harmful side-loading on critical engine bearings for maximum RPM output and engine longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Power Transfer:\u003c\/strong\u003e Essential for maintaining consistent engagement and maximizing briggs and stratton lo206 horsepower on the track.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Carbon Steel Construction:\u003c\/strong\u003e Resists deformation, galling, and heat cycling during intense racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fitment:\u003c\/strong\u003e Seamlessly integrates with Hilliard Blaze, Flame, Fury, and Fire clutch systems without requiring modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is this specific mounting kit required for needle bearing clutches?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Needle bearing clutches require precise \"float\" to operate correctly. This kit includes a specific 1\/4\" spacer and a heavy-duty retaining washer that ensure the clutch drum is perfectly aligned with the engine crankshaft, preventing side-loading that can damage your engine bearings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this kit with a standard bushing-style clutch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this kit is engineered specifically for needle bearing style sprockets. For bushing-style clutches, you should use the standard Hilliard Inferno Clutch Mounting Kit (HDC-CMK).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my clutch drum is misaligned?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Signs of misalignment include premature wear on the sprocket teeth, chain derailment, or excessive heat buildup in the clutch drum. If you notice the drum \"wandering\" on the crankshaft snout, your spacing is likely incorrect.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include the needle bearing itself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this kit provides the mounting hardware (spacer and retaining washer) to secure the assembly. If you need the bearing itself, you should look for the Hilliard Inferno NB Inner Race and Bearing Assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this hardware compatible with Briggs \u0026amp; Stratton LO206 racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this kit is ideal for LO206 and Clone racing applications where driveline efficiency and minimizing parasitic drag are critical for competitive performance.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-needle-bearing-conversion-kit-hdc-nbck\"\u003eHilliard Inferno Needle Bearing Conversion Kit - HDC-NBCK - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-nb-inner-race-bearing-assembly-hdc-fira\"\u003eHilliard Inferno NB Inner Race and Bearing Assembly for Needle Bearing Sprockets\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-needle-bearing-only-no-race-hdc-db\"\u003eHilliard Inferno Caged Needle Bearing for Clutch Applications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-needle-bearing-style-clutch-driver-bearing-race-not-included-13t-17t-select-size-hdc-b\"\u003eHilliard Inferno Needle Bearing Clutch Driver - #35 13T - Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hilliard-inferno-clutch-mounting-kit-hdc-cmk\"\u003eHilliard Inferno Clutch Mounting Kit for Bronze Bushing Clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SwiftKarting","offers":[{"title":"Default Title","offer_id":52377999343935,"sku":"HDC-CMK-NB","price":9.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6843\/4239\/files\/infernoblaze-hilliard-clutch-mounting-kit-needle-bearing-style-hdc-cmk-nb.jpg?v=1773221035","url":"https:\/\/metro-merch-3.myshopify.com\/products\/hilliard-inferno-needle-bearing-clutch-mounting-kit-1-4-spacer-washer-lo206-clone","provider":"Metro Merch","version":"1.0","type":"link"}