{"product_id":"wotuphji-fuel-injector-spacer-set-8pc-aluminum-spacers-high-temp-o-rings-for-ls1-ls6","title":"WOTUPHJI Fuel Injector Spacer Set 8pc — Aluminum Spacers \u0026 High-Temp O-Rings for LS1\/LS6","description":"\u003cp\u003e\u003cstrong\u003eWOTUPHJI Upgrade Fuel Injector Spacer Set is an 8-piece adapter kit that lets short LS truck fuel injectors fit precisely into taller LS1\/LS6 intake manifolds and fuel rails.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen swapping intake manifolds or upgrading injectors on LS-series engines, mismatched injector heights can cause poor seating, leaks, or alignment issues. The WOTUPHJI spacer kit includes eight precision-machined aluminum spacers and high-temperature rubber O-rings designed to restore correct injector length and create a reliable, leak-resistant seal without modifying the engine or fuel rail.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this spacer set solve injector fitment problems?\u003c\/h3\u003e\n\n\u003cp\u003eThe spacers add measured length between the injector top and the fuel rail to accommodate taller LS1\/LS6 manifolds. They remove the need for custom machining by restoring OEM-style geometry and stable injector retention.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePrecision-machined aircraft-grade aluminum spacers for consistent thickness.\u003c\/li\u003e\n  \u003cli\u003eReinforced high-temp rubber O-rings to prevent fuel seepage under heat.\u003c\/li\u003e\n  \u003cli\u003eDesigned to match factory spec part# 551371 for plug-and-play compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction make the kit durable?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit combines corrosion-resistant aluminum with heat-resistant rubber seals to withstand engine-bay temperatures and constant vibration. Each spacer is finished for smooth seating while the O-rings are formulated to retain elasticity and sealing ability over time.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAircraft-grade aluminum resists warping and corrosion.\u003c\/li\u003e\n  \u003cli\u003eHigh-temperature rubber O-rings maintain compression and sealing.\u003c\/li\u003e\n  \u003cli\u003eQuality control inspection on every kit to ensure consistent parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill installation be straightforward for a DIY mechanic?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the kit was engineered for straightforward installation with factory-style dimensions. Most technicians can install the spacers during a routine injector or intake service without special tools; torque specs and basic fuel-system precautions still apply.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEight spacers and O-rings included for all injector positions.\u003c\/li\u003e\n  \u003cli\u003eFits LS truck injectors to LS1\/LS6 manifolds with OEM-spec alignment.\u003c\/li\u003e\n  \u003cli\u003eNo engine modification required; follow fuel-system safety steps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and testing support the product?\u003c\/h3\u003e\n\n\u003cp\u003eEach kit undergoes inspection to meet fit and finish expectations, and the manufacturer backs the product with a one-year guarantee. The warranty gives added confidence in long-term stability and replacement coverage if defects arise under normal use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eManufactured to OEM-spec part# 551371 tolerances.\u003c\/li\u003e\n  \u003cli\u003eQuality-tested components and fit validation prior to shipping.\u003c\/li\u003e\n  \u003cli\u003eOne-year warranty for parts and workmanship coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? WOTUPHJI's 8-piece injector spacer kit is aimed at automotive enthusiasts, professional mechanics, and anyone performing intake swaps or injector upgrades on LS-series engines who needs a reliable, factory-dimension adapter. If you're fitting shorter truck injectors into LS1\/LS6 intake setups and want a durable, leak-resistant solution that avoids machining or custom adapters, this kit provides an OEM-style fit and simple installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these spacers fit my LS1 intake and truck injectors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit is machined to OEM part# 551371 specs to adapt short truck injectors to LS1\/LS6 intake configurations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the O-rings handle engine heat and fuel exposure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The supplied high-temperature rubber O-rings are reinforced for fuel resistance and to retain a leak-proof seal under typical engine temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WOTUPHJI","offers":[{"title":"Default Title","offer_id":48084367114398,"sku":"B0F5BHQZCZ","price":31.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/wotuphji-front-view-spacer-kit.jpg?v=1785851826","url":"https:\/\/northtrailauto.ca\/products\/wotuphji-fuel-injector-spacer-set-8pc-aluminum-spacers-high-temp-o-rings-for-ls1-ls6","provider":"North Trail Auto","version":"1.0","type":"link"}