{"title":"GLE63 (W166)","description":"","products":[{"product_id":"gle63-gls63-ml63-sports-downpipes-w166","title":"GLE63\/GLS63\/ML63 Sports Downpipes (W166)","description":"\u003cli\u003eImprove power by reducing exhaust restriction\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncreased exhaust volume and note.\u003c\/li\u003e\n\u003cli\u003eManufactured from CNC mandrel bent stainless tubing\u003c\/li\u003e\n\u003cli\u003eTIG welded\u003c\/li\u003e\n\u003cli\u003eOEM style mount points\u003c\/li\u003e\n\u003cli\u003eSuits M157 twin turbo V8 5.5l engine\u003c\/li\u003e","brand":"ZAC MOTOR SPORT","offers":[{"title":"Default Title","offer_id":40745005449259,"sku":"","price":1513.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2588\/7786\/products\/GLE63V166Downpipe.jpg?v=1681286025"},{"product_id":"m157-hks-spark-plug-set","title":"M157 HKS Spark Plug set (5.5 Biturbo)","description":"\u003cp\u003e\u003cstrong\u003eHKS Spark Plugs to suit M157 5.5 litre BiTurbo engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e(set of 8)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA noticeable difference in performance over other brands. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIridium Alloy Center Electrode\u003cbr\u003eIridium alloy center electrode reduces voltage requirement and improves ignition performance and durability.\u003c\/li\u003e\n\u003cli\u003eOuter Electrode with Platinum Chip\u003cbr\u003eThe outer electrode incorporates a square platinum chip which improves durability, and combining with the iridium center electrode boosts ignition performance.\u003cbr\u003eThe outer electrode features a shortened tip design and tapered shape while maintaining the necessary space for proper ignition.\u003c\/li\u003e\n\u003cli\u003eShort Type Outer Electrode (Anti-Vibration)\u003cbr\u003eThe outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration. This anti-vibration design improves longevity of the outer electrode.\u003c\/li\u003e\n\u003cli\u003eThermal Edge\u003cbr\u003eAfter long idling or under various combustion conditions, carbon buildup can occur causing misfires. The thermal edge of the ceramic insulator discharges to help decrease carbon deposits.\u003c\/li\u003e\n\u003cli\u003eSpark Support Gap\u003cbr\u003eDischarge occurs in the spark support gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose from standard heat range (Suggested for up to stage 2 vehicles) or colder heat ranges \u003c\/p\u003e\n\u003c!-- split --\u003e\n\u003ch4\u003eAbout Spark Plug Heat Range:\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eHot Plugs    \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHave a longer insulator that prevents heat transfer into the water jackets. It keeps more heat in the tip of the spark plug, which helps burn off combustion chamber deposits. But if there's too much retained heat, the engine will experience preignition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColder Plugs    \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGave a shorter insulator and retains less heat at the tip end\u003cb\u003e \u003c\/b\u003eare only required when higher boost levels cause increased cylinder head temperatures. If the plug is too \"hot\" pre ignition may occur. —but if it's too cold, deposits accumulate and eventually the plug will foul.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1mcu14u\" data-start=\"1660\" data-end=\"1696\"\u003eUnderstanding HKS Heat Ranges\u003c\/h3\u003e\n\u003cp data-start=\"1698\" data-end=\"1856\"\u003eHKS spark plugs for the \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMercedes M157 engine\u003c\/span\u003e\u003c\/span\u003e are available in multiple heat ranges designed to match your power level and driving conditions.\u003c\/p\u003e\n\u003cul data-start=\"1858\" data-end=\"2574\"\u003e\n\u003cli data-section-id=\"ajd0ls\" data-start=\"1858\" data-end=\"2036\"\u003e\n\u003cstrong data-start=\"1860\" data-end=\"1883\"\u003eStandard Heat Range\u003c\/strong\u003e\n\u003cul data-start=\"1886\" data-end=\"2036\"\u003e\n\u003cli data-section-id=\"qtncb9\" data-start=\"1886\" data-end=\"1922\"\u003eBest for stock to Stage 2 vehicles\u003c\/li\u003e\n\u003cli data-section-id=\"1k4yuka\" data-start=\"1925\" data-end=\"1977\"\u003eIdeal for daily driving and consistent cold starts\u003c\/li\u003e\n\u003cli data-section-id=\"1ig25us\" data-start=\"1980\" data-end=\"2036\"\u003eProvides optimal self-cleaning and long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ii268z\" data-start=\"2038\" data-end=\"2325\"\u003e\n\u003cstrong data-start=\"2040\" data-end=\"2057\"\u003e1-Step Colder\u003c\/strong\u003e\n\u003cul data-start=\"2060\" data-end=\"2325\"\u003e\n\u003cli data-section-id=\"1xyu3sg\" data-start=\"2060\" data-end=\"2119\"\u003eDesigned for higher boost and increased cylinder pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1vbmade\" data-start=\"2122\" data-end=\"2167\"\u003eRecommended for Stage 2+ and Stage 3 builds\u003c\/li\u003e\n\u003cli data-section-id=\"19as2fx\" data-start=\"2170\" data-end=\"2229\"\u003eHelps prevent spark blowout and pre-ignition under load\u003c\/li\u003e\n\u003cli data-section-id=\"xyaf7d\" data-start=\"2232\" data-end=\"2325\"\u003eCommon upgrade once exceeding ~60–100 hp over stock \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"h2rbow\" data-start=\"2327\" data-end=\"2574\"\u003e\n\u003cstrong data-start=\"2329\" data-end=\"2360\"\u003e2-Step Colder (Extreme Use)\u003c\/strong\u003e\n\u003cul data-start=\"2363\" data-end=\"2574\"\u003e\n\u003cli data-section-id=\"1s989rn\" data-start=\"2363\" data-end=\"2410\"\u003eIntended for high horsepower builds (800+ hp)\u003c\/li\u003e\n\u003cli data-section-id=\"1dryba0\" data-start=\"2413\" data-end=\"2467\"\u003eRequired for hybrid turbo setups and ethanol fueling\u003c\/li\u003e\n\u003cli data-section-id=\"a9zemu\" data-start=\"2470\" data-end=\"2574\"\u003eMaximizes heat dissipation under extreme combustion conditions \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2576\" data-end=\"2579\"\u003e\n\u003ch3 data-section-id=\"1yrx69a\" data-start=\"2633\" data-end=\"2678\"\u003eA colder plug is NOT “better” by default:\u003c\/h3\u003e\n\u003cul data-start=\"2679\" data-end=\"2768\"\u003e\n\u003cli data-section-id=\"1g1j7nk\" data-start=\"2679\" data-end=\"2723\"\u003eToo hot → knock, detonation, overheating\u003c\/li\u003e\n\u003cli data-section-id=\"1oov6it\" data-start=\"2724\" data-end=\"2768\"\u003eToo cold → fouling, rough idle, misfires\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2770\" data-end=\"2847\"\u003eThe goal is \u003cstrong data-start=\"2785\" data-end=\"2822\"\u003ecorrect heat range for your setup\u003c\/strong\u003e, not the coldest option.\u003c\/p\u003e\n\u003chr data-start=\"2849\" data-end=\"2852\"\u003e\n\u003ch3 data-section-id=\"1xenbar\" data-start=\"2905\" data-end=\"2932\"\u003eSpark Plug Gap Guidance\u003c\/h3\u003e\n\u003cp data-start=\"2933\" data-end=\"2984\"\u003e(All high-performance plugs require proper gapping)\u003c\/p\u003e\n\u003cul data-start=\"2986\" data-end=\"3055\"\u003e\n\u003cli data-section-id=\"15m33a7\" data-start=\"2986\" data-end=\"3020\"\u003eStock \/ mild tune: ~0.028–0.032\"\u003c\/li\u003e\n\u003cli data-section-id=\"kibyw6\" data-start=\"3021\" data-end=\"3055\"\u003eHigh boost setups: ~0.022–0.026\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3057\" data-end=\"3208\"\u003eProper gap is critical—these plugs are designed for high boost but must be set correctly during installation\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Standard","offer_id":44049701666859,"sku":"HKS50003-M40HL","price":405.0,"currency_code":"USD","in_stock":true},{"title":"1-Step Colder","offer_id":44056155029547,"sku":"HKS50003-M45HL","price":405.0,"currency_code":"USD","in_stock":true},{"title":"2-Step Colder","offer_id":44056155062315,"sku":"HKS50003-M50HL","price":405.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2588\/7786\/files\/HKSPlugs_2_009e26b7-ee0f-4971-beb7-ef91d19d7252.png?v=1686704030"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2588\/7786\/collections\/TILE-GLE63_W166.png?v=1667348309","url":"https:\/\/www.zacmotorsport.com.au\/collections\/gle63-w166.oembed","provider":"ZAC MOTOR SPORT","version":"1.0","type":"link"}