{"product_id":"grimmspeed-phenolic-spacers-ej-wrx-sti","title":"GrimmSpeed Phenolic Thermal Manifold Spacers for EJ WRX\/STi","description":"The GrimmSpeed phenolic intake manifold\/tgv to engine thermal spacers have been designed to absorb the heat that generates between the intake manifold and the engine block to help reduce the heat in your intake manifold. Tests show a 1% increase in horsepower for every 5°F of heat reduction. Available in a 3mm or 8mm thickness. Hardware is included with the 8mm set.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003eVehicle Fitment:\u003c\/span\u003e\u003cbr\u003e2002-2014 Subaru WRX\u003cbr\u003e2004-2021 Subaru STi\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003eInstall Notes:\u003c\/span\u003e\u003cbr\u003eGrimmSpeed recommends using 2 sets of \u003ca style=\"color: #afafaf; text-decoration: underline;\" href=\"https:\/\/stmtuned.com\/products\/032001-grimmspeed-tgv-to-engine-gaskets-ej-wrx-sti\" data-mce-style=\"color: #afafaf; text-decoration: underline;\"\u003e TGV Gaskets\u003c\/a\u003e , one on both sides of these Phenolic spacers. (That's one pair of these Phenolic spacers and 2 pairs of \u003ca style=\"color: #afafaf; text-decoration: underline;\" href=\"https:\/\/stmtuned.com\/products\/032001-grimmspeed-tgv-to-engine-gaskets-ej-wrx-sti\" data-mce-style=\"color: #afafaf; text-decoration: underline;\"\u003e TGV Gaskets\u003c\/a\u003e, sold separately.)\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003ePurchase Includes:\u003c\/span\u003e\u003cbr\u003e(2) Phenolic Spacers\u003cbr\u003e(Hardware is included with the 8mm only)\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003ePut it to the Test!\u003c\/span\u003e\u003cbr\u003e• OEM measurement from manifold without spacers: 152°F\u003cbr\u003e• With 3mm Phenolic spacers the temp dropped to 134°F\u003cbr\u003e• With 8mm Phenolic spacers the temp dropped to an outstanding 108°F!!!\u003cbr\u003e• That is an OVER 44°F drop with the largest phenolic spacers!\u003cbr\u003e\u003cbr\u003e\n\u003cdiv style=\"overflow-x: auto;\" data-mce-style=\"overflow-x: auto;\"\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd style=\"color: #ffffff;\" data-mce-style=\"color: #ffffff;\"\u003eOptions:\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\" data-mce-style=\"color: #ffffff;\"\u003ePart Number:\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"404040\"\u003e\n\u003ctd style=\"color: #ffffff;\" data-mce-style=\"color: #ffffff;\"\u003e3mm Spacers\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\" data-mce-style=\"color: #ffffff;\"\u003e018001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd style=\"color: #ffffff;\" data-mce-style=\"color: #ffffff;\"\u003e8mm Spacers with Hardware\u003c\/td\u003e\n\u003ctd style=\"color: #ffffff;\" data-mce-style=\"color: #ffffff;\"\u003e019001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan style=\"color: #ff2a00;\" data-mce-style=\"color: #ff2a00;\"\u003eMore from GrimmSpeed:\u003c\/span\u003e\u003cbr\u003e\u003cem\u003e\"Do you know what your intake manifold sits on? ...a superheated boxer engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. We present you the answer to this age old problem, raising the intake manifold off the engine with GrimmSpeed's Phenolic Intake Manifold\/TGV to Engine Thermal Spacer. \u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cem\u003ePhenolic spacers have been used for years by many other specialized automotive companies, but this is new technology to the Subaru world.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003cstrong\u003eWhat It Does:\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eGreatly reduces the transfer of heat from engine to intake manifold thus reducing heat soak.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eOne-of-a-kind true Phenolic material, not cutting board material like others.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eThe cooler your intake temperature is, the denser the air is which leads to more power.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eFor every 5 degree reduction in air temperature, increases power by 1%.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eCooler and denser intake air, increases the amount of air that can be mixed with fuel thus increasing efficiency.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eDirect bolt-on.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWhen running a gasket only, your intake manifold gets very hot to the touch, enough to burn your hand. When our gaskets are paired with our Phenolic Spacers, your hand can be placed on the intake manifold without any issues.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWe do recommend using 2 sets of our gaskets, one on both sides of the spacers.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eUSA MADE.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003cstrong\u003eHow It Works:\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cem\u003eThe intake air in your engine travels through the airbox into the turbo, then into the aluminum intake manifold. The air exits the intake manifold and goes directly into the engine.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eGrimmSpeed 3mm Subaru WRX STI Phenolic Thermal Spacer\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eWhile the intake air is within the intake manifold it picks up a lot of heat from the aluminum intake manifold. This added heat reduces air density thus reducing engine power capabilities.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eIn stock form your engine has a steel gasket between the intake manifold and engine which allows the heat from the engine to quickly transfer into the intake manifold. By replacing this steel gasket with the GrimmSpeed Phenolic Spacer and gaskets you are greatly reducing the transfer of engine heat into the intake manifold.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePhenolic Spacers are able to withstand 500+ degrees F. Subaru engines run at the hotter end of operation around 200 degrees F, so the Phenolic Spacer is well within its max running temperature. GrimmSpeed has tested that it is also safe to run race fuel, E85 and methanol with the Phenolic Spacers.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eThe Phenolic Spacer will conduct 300-900 times less heat than the oem steel gasket.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cem\u003e\u003cstrong\u003eTemperature Testing Data:\u003c\/strong\u003e\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eTesting at 1\/2 hour intervals. All testing was conducted fairly in Fahrenheit measurements on ONE day at a consistent outside temperature.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003cem\u003eTest #1 - OEM measurement from IM without spacers, 152 degrees.\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eTest #2 - with 3mm phenolic spacers the temp dropped to 134 Degrees\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eTest #3 - With 8mm phenolic spacers the temp dropped to an outstanding 108 Degrees!!!\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eThat is an OVER 44 Degree drop with the largest Phenolic Spacers!\"\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003ca style=\"color: #afafaf;\" href=\"https:\/\/stmtuned.com\/collections\/grimmspeed-products\" data-mce-style=\"color: #afafaf;\"\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: .8em;\" data-mce-style=\"font-size: .8em;\"\u003e See more GrimmSpeed Products\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/a\u003e","brand":"GrimmSpeed","offers":[{"title":"3mm Spacers (018001)","offer_id":50564010770774,"sku":"GRM-018001","price":60.02,"currency_code":"EUR","in_stock":true},{"title":"8mm Spacers with Hardware (019001)","offer_id":50564010803542,"sku":"GRM-019001","price":70.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/9531\/8102\/files\/grimmspeed-phenolic-spacers-ej-wrx-sti-018001-3mm-1.jpg?v=1749216348","url":"https:\/\/www.speed-addicts.com\/en\/products\/grimmspeed-phenolic-spacers-ej-wrx-sti","provider":"Speed Addicts","version":"1.0","type":"link"}